[ { "date_utc": "2026-09-15 11:26:13", "date_str": "2026-09-15 11:26:13", "impact_energy_kt": 0.079, "total_radiated_energy_j": 22000000000, "lat": -37.6, "lon": -161.6, "lat_dir": "S", "lon_dir": "W", "altitude_km": 37, "velocity_kms": null, "vx": null, "vy": null, "vz": null, "calculated_diameter_m": 1.09, "slug": "20260915112613", "energy_comparison": { "best_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "ratio": 0.005266666666666667, "text": "0.00527 times the size of a Hiroshima equivalent", "smaller_item": { "id": "lightning-bolt", "label": "lightning bolt", "plural": "lightning bolts", "value": 0.00024, "unit": "kt", "rank": 2, "svgId": "energy-lightning", "citation": "National Weather Service / NOAA average lightning flash energy (~1 gigajoule = 0.000239 kt TNT)." }, "smaller_ratio": 329.1666666666667, "larger_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "larger_ratio": 0.005266666666666667 }, "size_comparison": { "best_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "ratio": 0.6411764705882353, "text": "0.641 times the size of a adult human", "smaller_item": { "id": "house-cat", "label": "house cat", "plural": "house cats", "value": 0.45, "unit": "m", "rank": 20, "svgId": "silhouette-cat", "citation": "Standard domestic cat average nose-to-tail base length, Wilson & Reeder Mammal Species of the World." }, "smaller_ratio": 2.4222222222222225, "larger_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "larger_ratio": 0.6411764705882353 }, "speed_comparison": null, "key_facts": [ "On 2026-09-15 11:26:13 UTC, a bright bolide meteor was detected in Earth atmosphere.", "Calculated impact energy was 0.079 kilotons of TNT, which is 0.00527 times the size of a Hiroshima equivalent.", "Peak brightness occurred at an altitude of 37 km.", "Estimated pre-atmospheric impactor diameter was 1.09 meters." ] }, { "date_utc": "2026-09-11 10:18:03", "date_str": "2026-09-11 10:18:03", "impact_energy_kt": 0.2, "total_radiated_energy_j": 61000000000, "lat": -0.2, "lon": -129.6, "lat_dir": "S", "lon_dir": "W", "altitude_km": 70, "velocity_kms": null, "vx": null, "vy": null, "vz": null, "calculated_diameter_m": 1.49, "slug": "20260911101803", "energy_comparison": { "best_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "ratio": 0.013333333333333334, "text": "0.0133 times the size of a Hiroshima equivalent", "smaller_item": { "id": "lightning-bolt", "label": "lightning bolt", "plural": "lightning bolts", "value": 0.00024, "unit": "kt", "rank": 2, "svgId": "energy-lightning", "citation": "National Weather Service / NOAA average lightning flash energy (~1 gigajoule = 0.000239 kt TNT)." }, "smaller_ratio": 833.3333333333334, "larger_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "larger_ratio": 0.013333333333333334 }, "size_comparison": { "best_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "ratio": 0.8764705882352941, "text": "about the size of a adult human", "smaller_item": { "id": "house-cat", "label": "house cat", "plural": "house cats", "value": 0.45, "unit": "m", "rank": 20, "svgId": "silhouette-cat", "citation": "Standard domestic cat average nose-to-tail base length, Wilson & Reeder Mammal Species of the World." }, "smaller_ratio": 3.311111111111111, "larger_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "larger_ratio": 0.8764705882352941 }, "speed_comparison": null, "key_facts": [ "On 2026-09-11 10:18:03 UTC, a bright bolide meteor was detected in Earth atmosphere.", "Calculated impact energy was 0.2 kilotons of TNT, which is 0.0133 times the size of a Hiroshima equivalent.", "Peak brightness occurred at an altitude of 70 km.", "Estimated pre-atmospheric impactor diameter was 1.49 meters." ] }, { "date_utc": "2026-09-11 01:12:11", "date_str": "2026-09-11 01:12:11", "impact_energy_kt": 0.67, "total_radiated_energy_j": 246000000000, "lat": 54.4, "lon": -100.1, "lat_dir": "N", "lon_dir": "W", "altitude_km": 38, "velocity_kms": null, "vx": null, "vy": null, "vz": null, "calculated_diameter_m": 2.23, "slug": "20260911011211", "energy_comparison": { "best_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "ratio": 0.04466666666666667, "text": "0.0447 times the size of a Hiroshima equivalent", "smaller_item": { "id": "lightning-bolt", "label": "lightning bolt", "plural": "lightning bolts", "value": 0.00024, "unit": "kt", "rank": 2, "svgId": "energy-lightning", "citation": "National Weather Service / NOAA average lightning flash energy (~1 gigajoule = 0.000239 kt TNT)." }, "smaller_ratio": 2791.666666666667, "larger_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "larger_ratio": 0.04466666666666667 }, "size_comparison": { "best_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "ratio": 1.311764705882353, "text": "about one and a half adult humans", "smaller_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "smaller_ratio": 1.311764705882353, "larger_item": { "id": "family-car", "label": "family car", "plural": "family cars", "value": 4.5, "unit": "m", "rank": 6, "svgId": "silhouette-car", "citation": "ISO standard passenger vehicle average overall bumper-to-bumper length." }, "larger_ratio": 0.4955555555555555 }, "speed_comparison": null, "key_facts": [ "On 2026-09-11 01:12:11 UTC, a bright bolide meteor was detected in Earth atmosphere.", "Calculated impact energy was 0.67 kilotons of TNT, which is 0.0447 times the size of a Hiroshima equivalent.", "Peak brightness occurred at an altitude of 38 km.", "Estimated pre-atmospheric impactor diameter was 2.23 meters." ] }, { "date_utc": "2026-09-10 05:22:22", "date_str": "2026-09-10 05:22:22", "impact_energy_kt": 0.33, "total_radiated_energy_j": 111000000000, "lat": -19.3, "lon": -28.1, "lat_dir": "S", "lon_dir": "W", "altitude_km": 33.6, "velocity_kms": 19.3, "vx": null, "vy": null, "vz": null, "calculated_diameter_m": 1.68, "slug": "20260910052222", "energy_comparison": { "best_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "ratio": 0.022000000000000002, "text": "0.022 times the size of a Hiroshima equivalent", "smaller_item": { "id": "lightning-bolt", "label": "lightning bolt", "plural": "lightning bolts", "value": 0.00024, "unit": "kt", "rank": 2, "svgId": "energy-lightning", "citation": "National Weather Service / NOAA average lightning flash energy (~1 gigajoule = 0.000239 kt TNT)." }, "smaller_ratio": 1375, "larger_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "larger_ratio": 0.022000000000000002 }, "size_comparison": { "best_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "ratio": 0.9882352941176471, "text": "about the size of a adult human", "smaller_item": { "id": "house-cat", "label": "house cat", "plural": "house cats", "value": 0.45, "unit": "m", "rank": 20, "svgId": "silhouette-cat", "citation": "Standard domestic cat average nose-to-tail base length, Wilson & Reeder Mammal Species of the World." }, "smaller_ratio": 3.733333333333333, "larger_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "larger_ratio": 0.9882352941176471 }, "speed_comparison": { "best_item": { "id": "iss-speed", "label": "ISS orbital velocity", "plural": "ISS orbital speeds", "value": 7.66, "unit": "km/s", "rank": 1, "svgId": "speed-iss", "citation": "NASA International Space Station average orbital speed in low Earth orbit." }, "ratio": 2.5195822454308097, "text": "about 2.5 ISS orbital speeds", "smaller_item": { "id": "earth-escape", "label": "Earth escape velocity", "plural": "Earth escape speeds", "value": 11.2, "unit": "km/s", "rank": 5, "svgId": "speed-escape", "citation": "Planetary escape velocity from Earth surface." }, "smaller_ratio": 1.7232142857142858, "larger_item": { "id": "earth-orbit-speed", "label": "Earth orbital speed", "plural": "Earth orbital speeds", "value": 29.8, "unit": "km/s", "rank": 6, "svgId": "speed-earth-orbit", "citation": "NASA JPL mean orbital speed of Earth around the Sun." }, "larger_ratio": 0.6476510067114094 }, "key_facts": [ "On 2026-09-10 05:22:22 UTC, a bright bolide meteor was detected in Earth atmosphere.", "Calculated impact energy was 0.33 kilotons of TNT, which is 0.022 times the size of a Hiroshima equivalent.", "Peak brightness occurred at an altitude of 33.6 km.", "Atmospheric entry velocity was 19.3 km/s.", "Estimated pre-atmospheric impactor diameter was 1.68 meters." ] }, { "date_utc": "2026-08-15 07:32:40", "date_str": "2026-08-15 07:32:40", "impact_energy_kt": 0.13, "total_radiated_energy_j": 39000000000, "lat": 4, "lon": -115.4, "lat_dir": "N", "lon_dir": "W", "altitude_km": 37, "velocity_kms": null, "vx": null, "vy": null, "vz": null, "calculated_diameter_m": 1.29, "slug": "20260815073240", "energy_comparison": { "best_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "ratio": 0.008666666666666666, "text": "0.00867 times the size of a Hiroshima equivalent", "smaller_item": { "id": "lightning-bolt", "label": "lightning bolt", "plural": "lightning bolts", "value": 0.00024, "unit": "kt", "rank": 2, "svgId": "energy-lightning", "citation": "National Weather Service / NOAA average lightning flash energy (~1 gigajoule = 0.000239 kt TNT)." }, "smaller_ratio": 541.6666666666666, "larger_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "larger_ratio": 0.008666666666666666 }, "size_comparison": { "best_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "ratio": 0.7588235294117648, "text": "0.759 times the size of a adult human", "smaller_item": { "id": "house-cat", "label": "house cat", "plural": "house cats", "value": 0.45, "unit": "m", "rank": 20, "svgId": "silhouette-cat", "citation": "Standard domestic cat average nose-to-tail base length, Wilson & Reeder Mammal Species of the World." }, "smaller_ratio": 2.8666666666666667, "larger_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "larger_ratio": 0.7588235294117648 }, "speed_comparison": null, "key_facts": [ "On 2026-08-15 07:32:40 UTC, a bright bolide meteor was detected in Earth atmosphere.", "Calculated impact energy was 0.13 kilotons of TNT, which is 0.00867 times the size of a Hiroshima equivalent.", "Peak brightness occurred at an altitude of 37 km.", "Estimated pre-atmospheric impactor diameter was 1.29 meters." ] }, { "date_utc": "2026-08-14 07:48:36", "date_str": "2026-08-14 07:48:36", "impact_energy_kt": 0.13, "total_radiated_energy_j": 38000000000, "lat": 47.7, "lon": -119.4, "lat_dir": "N", "lon_dir": "W", "altitude_km": 30, "velocity_kms": 12.2, "vx": null, "vy": null, "vz": null, "calculated_diameter_m": 1.67, "slug": "20260814074836", "energy_comparison": { "best_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "ratio": 0.008666666666666666, "text": "0.00867 times the size of a Hiroshima equivalent", "smaller_item": { "id": "lightning-bolt", "label": "lightning bolt", "plural": "lightning bolts", "value": 0.00024, "unit": "kt", "rank": 2, "svgId": "energy-lightning", "citation": "National Weather Service / NOAA average lightning flash energy (~1 gigajoule = 0.000239 kt TNT)." }, "smaller_ratio": 541.6666666666666, "larger_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "larger_ratio": 0.008666666666666666 }, "size_comparison": { "best_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "ratio": 0.9823529411764705, "text": "about the size of a adult human", "smaller_item": { "id": "house-cat", "label": "house cat", "plural": "house cats", "value": 0.45, "unit": "m", "rank": 20, "svgId": "silhouette-cat", "citation": "Standard domestic cat average nose-to-tail base length, Wilson & Reeder Mammal Species of the World." }, "smaller_ratio": 3.711111111111111, "larger_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "larger_ratio": 0.9823529411764705 }, "speed_comparison": { "best_item": { "id": "iss-speed", "label": "ISS orbital velocity", "plural": "ISS orbital speeds", "value": 7.66, "unit": "km/s", "rank": 1, "svgId": "speed-iss", "citation": "NASA International Space Station average orbital speed in low Earth orbit." }, "ratio": 1.5926892950391645, "text": "about one and a half ISS orbital speeds", "smaller_item": { "id": "earth-escape", "label": "Earth escape velocity", "plural": "Earth escape speeds", "value": 11.2, "unit": "km/s", "rank": 5, "svgId": "speed-escape", "citation": "Planetary escape velocity from Earth surface." }, "smaller_ratio": 1.0892857142857142, "larger_item": { "id": "earth-orbit-speed", "label": "Earth orbital speed", "plural": "Earth orbital speeds", "value": 29.8, "unit": "km/s", "rank": 6, "svgId": "speed-earth-orbit", "citation": "NASA JPL mean orbital speed of Earth around the Sun." }, "larger_ratio": 0.4093959731543624 }, "key_facts": [ "On 2026-08-14 07:48:36 UTC, a bright bolide meteor was detected in Earth atmosphere.", "Calculated impact energy was 0.13 kilotons of TNT, which is 0.00867 times the size of a Hiroshima equivalent.", "Peak brightness occurred at an altitude of 30 km.", "Atmospheric entry velocity was 12.2 km/s.", "Estimated pre-atmospheric impactor diameter was 1.67 meters." ] }, { "date_utc": "2026-08-01 17:43:48", "date_str": "2026-08-01 17:43:48", "impact_energy_kt": 0.1, "total_radiated_energy_j": 29000000000, "lat": -19.5, "lon": 176.2, "lat_dir": "S", "lon_dir": "E", "altitude_km": 45, "velocity_kms": null, "vx": null, "vy": null, "vz": null, "calculated_diameter_m": 1.18, "slug": "20260801174348", "energy_comparison": { "best_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "ratio": 0.006666666666666667, "text": "0.00667 times the size of a Hiroshima equivalent", "smaller_item": { "id": "lightning-bolt", "label": "lightning bolt", "plural": "lightning bolts", "value": 0.00024, "unit": "kt", "rank": 2, "svgId": "energy-lightning", "citation": "National Weather Service / NOAA average lightning flash energy (~1 gigajoule = 0.000239 kt TNT)." }, "smaller_ratio": 416.6666666666667, "larger_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "larger_ratio": 0.006666666666666667 }, "size_comparison": { "best_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "ratio": 0.6941176470588235, "text": "0.694 times the size of a adult human", "smaller_item": { "id": "house-cat", "label": "house cat", "plural": "house cats", "value": 0.45, "unit": "m", "rank": 20, "svgId": "silhouette-cat", "citation": "Standard domestic cat average nose-to-tail base length, Wilson & Reeder Mammal Species of the World." }, "smaller_ratio": 2.6222222222222222, "larger_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "larger_ratio": 0.6941176470588235 }, "speed_comparison": null, "key_facts": [ "On 2026-08-01 17:43:48 UTC, a bright bolide meteor was detected in Earth atmosphere.", "Calculated impact energy was 0.1 kilotons of TNT, which is 0.00667 times the size of a Hiroshima equivalent.", "Peak brightness occurred at an altitude of 45 km.", "Estimated pre-atmospheric impactor diameter was 1.18 meters." ] }, { "date_utc": "2026-07-21 01:14:45", "date_str": "2026-07-21 01:14:45", "impact_energy_kt": 0.11, "total_radiated_energy_j": 32000000000, "lat": 9.4, "lon": -57.4, "lat_dir": "N", "lon_dir": "W", "altitude_km": 31.5, "velocity_kms": null, "vx": null, "vy": null, "vz": null, "calculated_diameter_m": 1.22, "slug": "20260721011445", "energy_comparison": { "best_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "ratio": 0.007333333333333333, "text": "0.00733 times the size of a Hiroshima equivalent", "smaller_item": { "id": "lightning-bolt", "label": "lightning bolt", "plural": "lightning bolts", "value": 0.00024, "unit": "kt", "rank": 2, "svgId": "energy-lightning", "citation": "National Weather Service / NOAA average lightning flash energy (~1 gigajoule = 0.000239 kt TNT)." }, "smaller_ratio": 458.3333333333333, "larger_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "larger_ratio": 0.007333333333333333 }, "size_comparison": { "best_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "ratio": 0.7176470588235294, "text": "0.718 times the size of a adult human", "smaller_item": { "id": "house-cat", "label": "house cat", "plural": "house cats", "value": 0.45, "unit": "m", "rank": 20, "svgId": "silhouette-cat", "citation": "Standard domestic cat average nose-to-tail base length, Wilson & Reeder Mammal Species of the World." }, "smaller_ratio": 2.711111111111111, "larger_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "larger_ratio": 0.7176470588235294 }, "speed_comparison": null, "key_facts": [ "On 2026-07-21 01:14:45 UTC, a bright bolide meteor was detected in Earth atmosphere.", "Calculated impact energy was 0.11 kilotons of TNT, which is 0.00733 times the size of a Hiroshima equivalent.", "Peak brightness occurred at an altitude of 31.5 km.", "Estimated pre-atmospheric impactor diameter was 1.22 meters." ] }, { "date_utc": "2026-06-11 02:00:58", "date_str": "2026-06-11 02:00:58", "impact_energy_kt": 0.11, "total_radiated_energy_j": 32000000000, "lat": -18.7, "lon": 16.1, "lat_dir": "S", "lon_dir": "E", "altitude_km": 33, "velocity_kms": null, "vx": null, "vy": null, "vz": null, "calculated_diameter_m": 1.22, "slug": "20260611020058", "energy_comparison": { "best_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "ratio": 0.007333333333333333, "text": "0.00733 times the size of a Hiroshima equivalent", "smaller_item": { "id": "lightning-bolt", "label": "lightning bolt", "plural": "lightning bolts", "value": 0.00024, "unit": "kt", "rank": 2, "svgId": "energy-lightning", "citation": "National Weather Service / NOAA average lightning flash energy (~1 gigajoule = 0.000239 kt TNT)." }, "smaller_ratio": 458.3333333333333, "larger_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "larger_ratio": 0.007333333333333333 }, "size_comparison": { "best_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "ratio": 0.7176470588235294, "text": "0.718 times the size of a adult human", "smaller_item": { "id": "house-cat", "label": "house cat", "plural": "house cats", "value": 0.45, "unit": "m", "rank": 20, "svgId": "silhouette-cat", "citation": "Standard domestic cat average nose-to-tail base length, Wilson & Reeder Mammal Species of the World." }, "smaller_ratio": 2.711111111111111, "larger_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "larger_ratio": 0.7176470588235294 }, "speed_comparison": null, "key_facts": [ "On 2026-06-11 02:00:58 UTC, a bright bolide meteor was detected in Earth atmosphere.", "Calculated impact energy was 0.11 kilotons of TNT, which is 0.00733 times the size of a Hiroshima equivalent.", "Peak brightness occurred at an altitude of 33 km.", "Estimated pre-atmospheric impactor diameter was 1.22 meters." ] }, { "date_utc": "2026-05-30 18:06:23", "date_str": "2026-05-30 18:06:23", "impact_energy_kt": 1.1, "total_radiated_energy_j": 421000000000, "lat": 42, "lon": -70.5, "lat_dir": "N", "lon_dir": "W", "altitude_km": 32, "velocity_kms": null, "vx": null, "vy": null, "vz": null, "calculated_diameter_m": 2.62, "slug": "20260530180623", "energy_comparison": { "best_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "ratio": 0.07333333333333333, "text": "0.0733 times the size of a Hiroshima equivalent", "smaller_item": { "id": "lightning-bolt", "label": "lightning bolt", "plural": "lightning bolts", "value": 0.00024, "unit": "kt", "rank": 2, "svgId": "energy-lightning", "citation": "National Weather Service / NOAA average lightning flash energy (~1 gigajoule = 0.000239 kt TNT)." }, "smaller_ratio": 4583.333333333334, "larger_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "larger_ratio": 0.07333333333333333 }, "size_comparison": { "best_item": { "id": "family-car", "label": "family car", "plural": "family cars", "value": 4.5, "unit": "m", "rank": 6, "svgId": "silhouette-car", "citation": "ISO standard passenger vehicle average overall bumper-to-bumper length." }, "ratio": 0.5822222222222222, "text": "0.582 times the size of a family car", "smaller_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "smaller_ratio": 1.5411764705882354, "larger_item": { "id": "family-car", "label": "family car", "plural": "family cars", "value": 4.5, "unit": "m", "rank": 6, "svgId": "silhouette-car", "citation": "ISO standard passenger vehicle average overall bumper-to-bumper length." }, "larger_ratio": 0.5822222222222222 }, "speed_comparison": null, "key_facts": [ "On 2026-05-30 18:06:23 UTC, a bright bolide meteor was detected in Earth atmosphere.", "Calculated impact energy was 1.1 kilotons of TNT, which is 0.0733 times the size of a Hiroshima equivalent.", "Peak brightness occurred at an altitude of 32 km.", "Estimated pre-atmospheric impactor diameter was 2.62 meters." ] }, { "date_utc": "2026-05-21 02:15:51", "date_str": "2026-05-21 02:15:51", "impact_energy_kt": 0.12, "total_radiated_energy_j": 35000000000, "lat": 46.6, "lon": 133.1, "lat_dir": "N", "lon_dir": "E", "altitude_km": 31.5, "velocity_kms": 15.8, "vx": null, "vy": null, "vz": null, "calculated_diameter_m": 1.37, "slug": "20260521021551", "energy_comparison": { "best_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "ratio": 0.008, "text": "0.008 times the size of a Hiroshima equivalent", "smaller_item": { "id": "lightning-bolt", "label": "lightning bolt", "plural": "lightning bolts", "value": 0.00024, "unit": "kt", "rank": 2, "svgId": "energy-lightning", "citation": "National Weather Service / NOAA average lightning flash energy (~1 gigajoule = 0.000239 kt TNT)." }, "smaller_ratio": 499.99999999999994, "larger_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "larger_ratio": 0.008 }, "size_comparison": { "best_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "ratio": 0.8058823529411766, "text": "0.806 times the size of a adult human", "smaller_item": { "id": "house-cat", "label": "house cat", "plural": "house cats", "value": 0.45, "unit": "m", "rank": 20, "svgId": "silhouette-cat", "citation": "Standard domestic cat average nose-to-tail base length, Wilson & Reeder Mammal Species of the World." }, "smaller_ratio": 3.0444444444444447, "larger_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "larger_ratio": 0.8058823529411766 }, "speed_comparison": { "best_item": { "id": "iss-speed", "label": "ISS orbital velocity", "plural": "ISS orbital speeds", "value": 7.66, "unit": "km/s", "rank": 1, "svgId": "speed-iss", "citation": "NASA International Space Station average orbital speed in low Earth orbit." }, "ratio": 2.06266318537859, "text": "about 2 ISS orbital speeds", "smaller_item": { "id": "earth-escape", "label": "Earth escape velocity", "plural": "Earth escape speeds", "value": 11.2, "unit": "km/s", "rank": 5, "svgId": "speed-escape", "citation": "Planetary escape velocity from Earth surface." }, "smaller_ratio": 1.4107142857142858, "larger_item": { "id": "earth-orbit-speed", "label": "Earth orbital speed", "plural": "Earth orbital speeds", "value": 29.8, "unit": "km/s", "rank": 6, "svgId": "speed-earth-orbit", "citation": "NASA JPL mean orbital speed of Earth around the Sun." }, "larger_ratio": 0.5302013422818792 }, "key_facts": [ "On 2026-05-21 02:15:51 UTC, a bright bolide meteor was detected in Earth atmosphere.", "Calculated impact energy was 0.12 kilotons of TNT, which is 0.008 times the size of a Hiroshima equivalent.", "Peak brightness occurred at an altitude of 31.5 km.", "Atmospheric entry velocity was 15.8 km/s.", "Estimated pre-atmospheric impactor diameter was 1.37 meters." ] }, { "date_utc": "2026-05-10 16:57:37", "date_str": "2026-05-10 16:57:37", "impact_energy_kt": 0.19, "total_radiated_energy_j": 60000000000, "lat": -45.6, "lon": -109.8, "lat_dir": "S", "lon_dir": "W", "altitude_km": 32.7, "velocity_kms": 22.9, "vx": null, "vy": null, "vz": null, "calculated_diameter_m": 1.25, "slug": "20260510165737", "energy_comparison": { "best_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "ratio": 0.012666666666666666, "text": "0.0127 times the size of a Hiroshima equivalent", "smaller_item": { "id": "lightning-bolt", "label": "lightning bolt", "plural": "lightning bolts", "value": 0.00024, "unit": "kt", "rank": 2, "svgId": "energy-lightning", "citation": "National Weather Service / NOAA average lightning flash energy (~1 gigajoule = 0.000239 kt TNT)." }, "smaller_ratio": 791.6666666666666, "larger_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "larger_ratio": 0.012666666666666666 }, "size_comparison": { "best_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "ratio": 0.7352941176470589, "text": "0.735 times the size of a adult human", "smaller_item": { "id": "house-cat", "label": "house cat", "plural": "house cats", "value": 0.45, "unit": "m", "rank": 20, "svgId": "silhouette-cat", "citation": "Standard domestic cat average nose-to-tail base length, Wilson & Reeder Mammal Species of the World." }, "smaller_ratio": 2.7777777777777777, "larger_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "larger_ratio": 0.7352941176470589 }, "speed_comparison": { "best_item": { "id": "earth-escape", "label": "Earth escape velocity", "plural": "Earth escape speeds", "value": 11.2, "unit": "km/s", "rank": 5, "svgId": "speed-escape", "citation": "Planetary escape velocity from Earth surface." }, "ratio": 2.044642857142857, "text": "about 2 Earth escape speeds", "smaller_item": { "id": "earth-escape", "label": "Earth escape velocity", "plural": "Earth escape speeds", "value": 11.2, "unit": "km/s", "rank": 5, "svgId": "speed-escape", "citation": "Planetary escape velocity from Earth surface." }, "smaller_ratio": 2.044642857142857, "larger_item": { "id": "earth-orbit-speed", "label": "Earth orbital speed", "plural": "Earth orbital speeds", "value": 29.8, "unit": "km/s", "rank": 6, "svgId": "speed-earth-orbit", "citation": "NASA JPL mean orbital speed of Earth around the Sun." }, "larger_ratio": 0.7684563758389261 }, "key_facts": [ "On 2026-05-10 16:57:37 UTC, a bright bolide meteor was detected in Earth atmosphere.", "Calculated impact energy was 0.19 kilotons of TNT, which is 0.0127 times the size of a Hiroshima equivalent.", "Peak brightness occurred at an altitude of 32.7 km.", "Atmospheric entry velocity was 22.9 km/s.", "Estimated pre-atmospheric impactor diameter was 1.25 meters." ] }, { "date_utc": "2026-05-07 05:52:03", "date_str": "2026-05-07 05:52:03", "impact_energy_kt": 0.2, "total_radiated_energy_j": 64000000000, "lat": 32.5, "lon": -36.8, "lat_dir": "N", "lon_dir": "W", "altitude_km": 36, "velocity_kms": 24.8, "vx": null, "vy": null, "vz": null, "calculated_diameter_m": 1.2, "slug": "20260507055203", "energy_comparison": { "best_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "ratio": 0.013333333333333334, "text": "0.0133 times the size of a Hiroshima equivalent", "smaller_item": { "id": "lightning-bolt", "label": "lightning bolt", "plural": "lightning bolts", "value": 0.00024, "unit": "kt", "rank": 2, "svgId": "energy-lightning", "citation": "National Weather Service / NOAA average lightning flash energy (~1 gigajoule = 0.000239 kt TNT)." }, "smaller_ratio": 833.3333333333334, "larger_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "larger_ratio": 0.013333333333333334 }, "size_comparison": { "best_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "ratio": 0.7058823529411765, "text": "0.706 times the size of a adult human", "smaller_item": { "id": "house-cat", "label": "house cat", "plural": "house cats", "value": 0.45, "unit": "m", "rank": 20, "svgId": "silhouette-cat", "citation": "Standard domestic cat average nose-to-tail base length, Wilson & Reeder Mammal Species of the World." }, "smaller_ratio": 2.6666666666666665, "larger_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "larger_ratio": 0.7058823529411765 }, "speed_comparison": { "best_item": { "id": "iss-speed", "label": "ISS orbital velocity", "plural": "ISS orbital speeds", "value": 7.66, "unit": "km/s", "rank": 1, "svgId": "speed-iss", "citation": "NASA International Space Station average orbital speed in low Earth orbit." }, "ratio": 3.2375979112271542, "text": "about 3 ISS orbital speeds", "smaller_item": { "id": "earth-escape", "label": "Earth escape velocity", "plural": "Earth escape speeds", "value": 11.2, "unit": "km/s", "rank": 5, "svgId": "speed-escape", "citation": "Planetary escape velocity from Earth surface." }, "smaller_ratio": 2.2142857142857144, "larger_item": { "id": "earth-orbit-speed", "label": "Earth orbital speed", "plural": "Earth orbital speeds", "value": 29.8, "unit": "km/s", "rank": 6, "svgId": "speed-earth-orbit", "citation": "NASA JPL mean orbital speed of Earth around the Sun." }, "larger_ratio": 0.8322147651006712 }, "key_facts": [ "On 2026-05-07 05:52:03 UTC, a bright bolide meteor was detected in Earth atmosphere.", "Calculated impact energy was 0.2 kilotons of TNT, which is 0.0133 times the size of a Hiroshima equivalent.", "Peak brightness occurred at an altitude of 36 km.", "Atmospheric entry velocity was 24.8 km/s.", "Estimated pre-atmospheric impactor diameter was 1.2 meters." ] }, { "date_utc": "2026-04-29 14:00:39", "date_str": "2026-04-29 14:00:39", "impact_energy_kt": 0.16, "total_radiated_energy_j": 48000000000, "lat": -81, "lon": 133.9, "lat_dir": "S", "lon_dir": "E", "altitude_km": 28.7, "velocity_kms": 17.8, "vx": null, "vy": null, "vz": null, "calculated_diameter_m": 1.39, "slug": "20260429140039", "energy_comparison": { "best_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "ratio": 0.010666666666666666, "text": "0.0107 times the size of a Hiroshima equivalent", "smaller_item": { "id": "lightning-bolt", "label": "lightning bolt", "plural": "lightning bolts", "value": 0.00024, "unit": "kt", "rank": 2, "svgId": "energy-lightning", "citation": "National Weather Service / NOAA average lightning flash energy (~1 gigajoule = 0.000239 kt TNT)." }, "smaller_ratio": 666.6666666666666, "larger_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "larger_ratio": 0.010666666666666666 }, "size_comparison": { "best_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "ratio": 0.8176470588235294, "text": "0.818 times the size of a adult human", "smaller_item": { "id": "house-cat", "label": "house cat", "plural": "house cats", "value": 0.45, "unit": "m", "rank": 20, "svgId": "silhouette-cat", "citation": "Standard domestic cat average nose-to-tail base length, Wilson & Reeder Mammal Species of the World." }, "smaller_ratio": 3.0888888888888886, "larger_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "larger_ratio": 0.8176470588235294 }, "speed_comparison": { "best_item": { "id": "iss-speed", "label": "ISS orbital velocity", "plural": "ISS orbital speeds", "value": 7.66, "unit": "km/s", "rank": 1, "svgId": "speed-iss", "citation": "NASA International Space Station average orbital speed in low Earth orbit." }, "ratio": 2.3237597911227152, "text": "about 2.5 ISS orbital speeds", "smaller_item": { "id": "earth-escape", "label": "Earth escape velocity", "plural": "Earth escape speeds", "value": 11.2, "unit": "km/s", "rank": 5, "svgId": "speed-escape", "citation": "Planetary escape velocity from Earth surface." }, "smaller_ratio": 1.5892857142857144, "larger_item": { "id": "earth-orbit-speed", "label": "Earth orbital speed", "plural": "Earth orbital speeds", "value": 29.8, "unit": "km/s", "rank": 6, "svgId": "speed-earth-orbit", "citation": "NASA JPL mean orbital speed of Earth around the Sun." }, "larger_ratio": 0.5973154362416108 }, "key_facts": [ "On 2026-04-29 14:00:39 UTC, a bright bolide meteor was detected in Earth atmosphere.", "Calculated impact energy was 0.16 kilotons of TNT, which is 0.0107 times the size of a Hiroshima equivalent.", "Peak brightness occurred at an altitude of 28.7 km.", "Atmospheric entry velocity was 17.8 km/s.", "Estimated pre-atmospheric impactor diameter was 1.39 meters." ] }, { "date_utc": "2026-04-08 01:58:47", "date_str": "2026-04-08 01:58:47", "impact_energy_kt": 0.1, "total_radiated_energy_j": 29000000000, "lat": 13.4, "lon": -170.2, "lat_dir": "N", "lon_dir": "W", "altitude_km": 62, "velocity_kms": 17.8, "vx": null, "vy": null, "vz": null, "calculated_diameter_m": 1.19, "slug": "20260408015847", "energy_comparison": { "best_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "ratio": 0.006666666666666667, "text": "0.00667 times the size of a Hiroshima equivalent", "smaller_item": { "id": "lightning-bolt", "label": "lightning bolt", "plural": "lightning bolts", "value": 0.00024, "unit": "kt", "rank": 2, "svgId": "energy-lightning", "citation": "National Weather Service / NOAA average lightning flash energy (~1 gigajoule = 0.000239 kt TNT)." }, "smaller_ratio": 416.6666666666667, "larger_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "larger_ratio": 0.006666666666666667 }, "size_comparison": { "best_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "ratio": 0.7, "text": "0.7 times the size of a adult human", "smaller_item": { "id": "house-cat", "label": "house cat", "plural": "house cats", "value": 0.45, "unit": "m", "rank": 20, "svgId": "silhouette-cat", "citation": "Standard domestic cat average nose-to-tail base length, Wilson & Reeder Mammal Species of the World." }, "smaller_ratio": 2.6444444444444444, "larger_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "larger_ratio": 0.7 }, "speed_comparison": { "best_item": { "id": "iss-speed", "label": "ISS orbital velocity", "plural": "ISS orbital speeds", "value": 7.66, "unit": "km/s", "rank": 1, "svgId": "speed-iss", "citation": "NASA International Space Station average orbital speed in low Earth orbit." }, "ratio": 2.3237597911227152, "text": "about 2.5 ISS orbital speeds", "smaller_item": { "id": "earth-escape", "label": "Earth escape velocity", "plural": "Earth escape speeds", "value": 11.2, "unit": "km/s", "rank": 5, "svgId": "speed-escape", "citation": "Planetary escape velocity from Earth surface." }, "smaller_ratio": 1.5892857142857144, "larger_item": { "id": "earth-orbit-speed", "label": "Earth orbital speed", "plural": "Earth orbital speeds", "value": 29.8, "unit": "km/s", "rank": 6, "svgId": "speed-earth-orbit", "citation": "NASA JPL mean orbital speed of Earth around the Sun." }, "larger_ratio": 0.5973154362416108 }, "key_facts": [ "On 2026-04-08 01:58:47 UTC, a bright bolide meteor was detected in Earth atmosphere.", "Calculated impact energy was 0.1 kilotons of TNT, which is 0.00667 times the size of a Hiroshima equivalent.", "Peak brightness occurred at an altitude of 62 km.", "Atmospheric entry velocity was 17.8 km/s.", "Estimated pre-atmospheric impactor diameter was 1.19 meters." ] }, { "date_utc": "2026-04-01 23:59:35", "date_str": "2026-04-01 23:59:35", "impact_energy_kt": 0.079, "total_radiated_energy_j": 22000000000, "lat": 57.9, "lon": -158.6, "lat_dir": "N", "lon_dir": "W", "altitude_km": 37, "velocity_kms": 37.3, "vx": null, "vy": null, "vz": null, "calculated_diameter_m": 0.67, "slug": "20260401235935", "energy_comparison": { "best_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "ratio": 0.005266666666666667, "text": "0.00527 times the size of a Hiroshima equivalent", "smaller_item": { "id": "lightning-bolt", "label": "lightning bolt", "plural": "lightning bolts", "value": 0.00024, "unit": "kt", "rank": 2, "svgId": "energy-lightning", "citation": "National Weather Service / NOAA average lightning flash energy (~1 gigajoule = 0.000239 kt TNT)." }, "smaller_ratio": 329.1666666666667, "larger_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "larger_ratio": 0.005266666666666667 }, "size_comparison": { "best_item": { "id": "house-cat", "label": "house cat", "plural": "house cats", "value": 0.45, "unit": "m", "rank": 20, "svgId": "silhouette-cat", "citation": "Standard domestic cat average nose-to-tail base length, Wilson & Reeder Mammal Species of the World." }, "ratio": 1.488888888888889, "text": "about one and a half house cats", "smaller_item": { "id": "house-cat", "label": "house cat", "plural": "house cats", "value": 0.45, "unit": "m", "rank": 20, "svgId": "silhouette-cat", "citation": "Standard domestic cat average nose-to-tail base length, Wilson & Reeder Mammal Species of the World." }, "smaller_ratio": 1.488888888888889, "larger_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "larger_ratio": 0.3941176470588236 }, "speed_comparison": { "best_item": { "id": "iss-speed", "label": "ISS orbital velocity", "plural": "ISS orbital speeds", "value": 7.66, "unit": "km/s", "rank": 1, "svgId": "speed-iss", "citation": "NASA International Space Station average orbital speed in low Earth orbit." }, "ratio": 4.8694516971279365, "text": "just under 5 ISS orbital speeds", "smaller_item": { "id": "earth-orbit-speed", "label": "Earth orbital speed", "plural": "Earth orbital speeds", "value": 29.8, "unit": "km/s", "rank": 6, "svgId": "speed-earth-orbit", "citation": "NASA JPL mean orbital speed of Earth around the Sun." }, "smaller_ratio": 1.251677852348993, "larger_item": null, "larger_ratio": null }, "key_facts": [ "On 2026-04-01 23:59:35 UTC, a bright bolide meteor was detected in Earth atmosphere.", "Calculated impact energy was 0.079 kilotons of TNT, which is 0.00527 times the size of a Hiroshima equivalent.", "Peak brightness occurred at an altitude of 37 km.", "Atmospheric entry velocity was 37.3 km/s.", "Estimated pre-atmospheric impactor diameter was 0.67 meters." ] }, { "date_utc": "2026-04-01 02:13:14", "date_str": "2026-04-01 02:13:14", "impact_energy_kt": 0.086, "total_radiated_energy_j": 24000000000, "lat": -41.9, "lon": -54.7, "lat_dir": "S", "lon_dir": "W", "altitude_km": 90.5, "velocity_kms": 69.2, "vx": null, "vy": null, "vz": null, "calculated_diameter_m": 0.46, "slug": "20260401021314", "energy_comparison": { "best_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "ratio": 0.0057333333333333325, "text": "0.00573 times the size of a Hiroshima equivalent", "smaller_item": { "id": "lightning-bolt", "label": "lightning bolt", "plural": "lightning bolts", "value": 0.00024, "unit": "kt", "rank": 2, "svgId": "energy-lightning", "citation": "National Weather Service / NOAA average lightning flash energy (~1 gigajoule = 0.000239 kt TNT)." }, "smaller_ratio": 358.3333333333333, "larger_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "larger_ratio": 0.0057333333333333325 }, "size_comparison": { "best_item": { "id": "house-cat", "label": "house cat", "plural": "house cats", "value": 0.45, "unit": "m", "rank": 20, "svgId": "silhouette-cat", "citation": "Standard domestic cat average nose-to-tail base length, Wilson & Reeder Mammal Species of the World." }, "ratio": 1.0222222222222221, "text": "about the size of a house cat", "smaller_item": { "id": "house-cat", "label": "house cat", "plural": "house cats", "value": 0.45, "unit": "m", "rank": 20, "svgId": "silhouette-cat", "citation": "Standard domestic cat average nose-to-tail base length, Wilson & Reeder Mammal Species of the World." }, "smaller_ratio": 1.0222222222222221, "larger_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "larger_ratio": 0.2705882352941177 }, "speed_comparison": { "best_item": { "id": "iss-speed", "label": "ISS orbital velocity", "plural": "ISS orbital speeds", "value": 7.66, "unit": "km/s", "rank": 1, "svgId": "speed-iss", "citation": "NASA International Space Station average orbital speed in low Earth orbit." }, "ratio": 9.033942558746736, "text": "just over 9 ISS orbital speeds", "smaller_item": { "id": "earth-orbit-speed", "label": "Earth orbital speed", "plural": "Earth orbital speeds", "value": 29.8, "unit": "km/s", "rank": 6, "svgId": "speed-earth-orbit", "citation": "NASA JPL mean orbital speed of Earth around the Sun." }, "smaller_ratio": 2.3221476510067114, "larger_item": null, "larger_ratio": null }, "key_facts": [ "On 2026-04-01 02:13:14 UTC, a bright bolide meteor was detected in Earth atmosphere.", "Calculated impact energy was 0.086 kilotons of TNT, which is 0.00573 times the size of a Hiroshima equivalent.", "Peak brightness occurred at an altitude of 90.5 km.", "Atmospheric entry velocity was 69.2 km/s.", "Estimated pre-atmospheric impactor diameter was 0.46 meters." ] }, { "date_utc": "2026-03-23 19:23:43", "date_str": "2026-03-23 19:23:43", "impact_energy_kt": 0.17, "total_radiated_energy_j": 51000000000, "lat": 54.6, "lon": -144.1, "lat_dir": "N", "lon_dir": "W", "altitude_km": 35, "velocity_kms": 11.5, "vx": null, "vy": null, "vz": null, "calculated_diameter_m": 1.9, "slug": "20260323192343", "energy_comparison": { "best_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "ratio": 0.011333333333333334, "text": "0.0113 times the size of a Hiroshima equivalent", "smaller_item": { "id": "lightning-bolt", "label": "lightning bolt", "plural": "lightning bolts", "value": 0.00024, "unit": "kt", "rank": 2, "svgId": "energy-lightning", "citation": "National Weather Service / NOAA average lightning flash energy (~1 gigajoule = 0.000239 kt TNT)." }, "smaller_ratio": 708.3333333333334, "larger_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "larger_ratio": 0.011333333333333334 }, "size_comparison": { "best_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "ratio": 1.1176470588235294, "text": "about the size of a adult human", "smaller_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "smaller_ratio": 1.1176470588235294, "larger_item": { "id": "family-car", "label": "family car", "plural": "family cars", "value": 4.5, "unit": "m", "rank": 6, "svgId": "silhouette-car", "citation": "ISO standard passenger vehicle average overall bumper-to-bumper length." }, "larger_ratio": 0.4222222222222222 }, "speed_comparison": { "best_item": { "id": "iss-speed", "label": "ISS orbital velocity", "plural": "ISS orbital speeds", "value": 7.66, "unit": "km/s", "rank": 1, "svgId": "speed-iss", "citation": "NASA International Space Station average orbital speed in low Earth orbit." }, "ratio": 1.5013054830287207, "text": "about one and a half ISS orbital speeds", "smaller_item": { "id": "earth-escape", "label": "Earth escape velocity", "plural": "Earth escape speeds", "value": 11.2, "unit": "km/s", "rank": 5, "svgId": "speed-escape", "citation": "Planetary escape velocity from Earth surface." }, "smaller_ratio": 1.0267857142857144, "larger_item": { "id": "earth-orbit-speed", "label": "Earth orbital speed", "plural": "Earth orbital speeds", "value": 29.8, "unit": "km/s", "rank": 6, "svgId": "speed-earth-orbit", "citation": "NASA JPL mean orbital speed of Earth around the Sun." }, "larger_ratio": 0.3859060402684564 }, "key_facts": [ "On 2026-03-23 19:23:43 UTC, a bright bolide meteor was detected in Earth atmosphere.", "Calculated impact energy was 0.17 kilotons of TNT, which is 0.0113 times the size of a Hiroshima equivalent.", "Peak brightness occurred at an altitude of 35 km.", "Atmospheric entry velocity was 11.5 km/s.", "Estimated pre-atmospheric impactor diameter was 1.9 meters." ] }, { "date_utc": "2026-03-20 10:45:59", "date_str": "2026-03-20 10:45:59", "impact_energy_kt": 0.098, "total_radiated_energy_j": 28000000000, "lat": -52.9, "lon": -143.7, "lat_dir": "S", "lon_dir": "W", "altitude_km": 27, "velocity_kms": null, "vx": null, "vy": null, "vz": null, "calculated_diameter_m": 1.17, "slug": "20260320104559", "energy_comparison": { "best_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "ratio": 0.006533333333333334, "text": "0.00653 times the size of a Hiroshima equivalent", "smaller_item": { "id": "lightning-bolt", "label": "lightning bolt", "plural": "lightning bolts", "value": 0.00024, "unit": "kt", "rank": 2, "svgId": "energy-lightning", "citation": "National Weather Service / NOAA average lightning flash energy (~1 gigajoule = 0.000239 kt TNT)." }, "smaller_ratio": 408.3333333333333, "larger_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "larger_ratio": 0.006533333333333334 }, "size_comparison": { "best_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "ratio": 0.6882352941176471, "text": "0.688 times the size of a adult human", "smaller_item": { "id": "house-cat", "label": "house cat", "plural": "house cats", "value": 0.45, "unit": "m", "rank": 20, "svgId": "silhouette-cat", "citation": "Standard domestic cat average nose-to-tail base length, Wilson & Reeder Mammal Species of the World." }, "smaller_ratio": 2.5999999999999996, "larger_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "larger_ratio": 0.6882352941176471 }, "speed_comparison": null, "key_facts": [ "On 2026-03-20 10:45:59 UTC, a bright bolide meteor was detected in Earth atmosphere.", "Calculated impact energy was 0.098 kilotons of TNT, which is 0.00653 times the size of a Hiroshima equivalent.", "Peak brightness occurred at an altitude of 27 km.", "Estimated pre-atmospheric impactor diameter was 1.17 meters." ] }, { "date_utc": "2026-03-17 12:56:42", "date_str": "2026-03-17 12:56:42", "impact_energy_kt": 0.37, "total_radiated_energy_j": 126000000000, "lat": 41.2, "lon": -82, "lat_dir": "N", "lon_dir": "W", "altitude_km": 45, "velocity_kms": 14.9, "vx": null, "vy": null, "vz": null, "calculated_diameter_m": 2.07, "slug": "20260317125642", "energy_comparison": { "best_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "ratio": 0.024666666666666667, "text": "0.0247 times the size of a Hiroshima equivalent", "smaller_item": { "id": "lightning-bolt", "label": "lightning bolt", "plural": "lightning bolts", "value": 0.00024, "unit": "kt", "rank": 2, "svgId": "energy-lightning", "citation": "National Weather Service / NOAA average lightning flash energy (~1 gigajoule = 0.000239 kt TNT)." }, "smaller_ratio": 1541.6666666666665, "larger_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "larger_ratio": 0.024666666666666667 }, "size_comparison": { "best_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "ratio": 1.2176470588235293, "text": "about one and a half adult humans", "smaller_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "smaller_ratio": 1.2176470588235293, "larger_item": { "id": "family-car", "label": "family car", "plural": "family cars", "value": 4.5, "unit": "m", "rank": 6, "svgId": "silhouette-car", "citation": "ISO standard passenger vehicle average overall bumper-to-bumper length." }, "larger_ratio": 0.45999999999999996 }, "speed_comparison": { "best_item": { "id": "iss-speed", "label": "ISS orbital velocity", "plural": "ISS orbital speeds", "value": 7.66, "unit": "km/s", "rank": 1, "svgId": "speed-iss", "citation": "NASA International Space Station average orbital speed in low Earth orbit." }, "ratio": 1.9451697127937337, "text": "about 2 ISS orbital speeds", "smaller_item": { "id": "earth-escape", "label": "Earth escape velocity", "plural": "Earth escape speeds", "value": 11.2, "unit": "km/s", "rank": 5, "svgId": "speed-escape", "citation": "Planetary escape velocity from Earth surface." }, "smaller_ratio": 1.330357142857143, "larger_item": { "id": "earth-orbit-speed", "label": "Earth orbital speed", "plural": "Earth orbital speeds", "value": 29.8, "unit": "km/s", "rank": 6, "svgId": "speed-earth-orbit", "citation": "NASA JPL mean orbital speed of Earth around the Sun." }, "larger_ratio": 0.5 }, "key_facts": [ "On 2026-03-17 12:56:42 UTC, a bright bolide meteor was detected in Earth atmosphere.", "Calculated impact energy was 0.37 kilotons of TNT, which is 0.0247 times the size of a Hiroshima equivalent.", "Peak brightness occurred at an altitude of 45 km.", "Atmospheric entry velocity was 14.9 km/s.", "Estimated pre-atmospheric impactor diameter was 2.07 meters." ] }, { "date_utc": "2026-02-10 14:26:26", "date_str": "2026-02-10 14:26:26", "impact_energy_kt": 0.076, "total_radiated_energy_j": 21000000000, "lat": -64, "lon": -14, "lat_dir": "S", "lon_dir": "W", "altitude_km": 44, "velocity_kms": null, "vx": null, "vy": null, "vz": null, "calculated_diameter_m": 1.08, "slug": "20260210142626", "energy_comparison": { "best_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "ratio": 0.005066666666666666, "text": "0.00507 times the size of a Hiroshima equivalent", "smaller_item": { "id": "lightning-bolt", "label": "lightning bolt", "plural": "lightning bolts", "value": 0.00024, "unit": "kt", "rank": 2, "svgId": "energy-lightning", "citation": "National Weather Service / NOAA average lightning flash energy (~1 gigajoule = 0.000239 kt TNT)." }, "smaller_ratio": 316.66666666666663, "larger_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "larger_ratio": 0.005066666666666666 }, "size_comparison": { "best_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "ratio": 0.6352941176470589, "text": "0.635 times the size of a adult human", "smaller_item": { "id": "house-cat", "label": "house cat", "plural": "house cats", "value": 0.45, "unit": "m", "rank": 20, "svgId": "silhouette-cat", "citation": "Standard domestic cat average nose-to-tail base length, Wilson & Reeder Mammal Species of the World." }, "smaller_ratio": 2.4, "larger_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "larger_ratio": 0.6352941176470589 }, "speed_comparison": null, "key_facts": [ "On 2026-02-10 14:26:26 UTC, a bright bolide meteor was detected in Earth atmosphere.", "Calculated impact energy was 0.076 kilotons of TNT, which is 0.00507 times the size of a Hiroshima equivalent.", "Peak brightness occurred at an altitude of 44 km.", "Estimated pre-atmospheric impactor diameter was 1.08 meters." ] }, { "date_utc": "2026-01-31 18:07:14", "date_str": "2026-01-31 18:07:14", "impact_energy_kt": 0.19, "total_radiated_energy_j": 58000000000, "lat": 4.1, "lon": -173.4, "lat_dir": "N", "lon_dir": "W", "altitude_km": 32, "velocity_kms": null, "vx": null, "vy": null, "vz": null, "calculated_diameter_m": 1.46, "slug": "20260131180714", "energy_comparison": { "best_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "ratio": 0.012666666666666666, "text": "0.0127 times the size of a Hiroshima equivalent", "smaller_item": { "id": "lightning-bolt", "label": "lightning bolt", "plural": "lightning bolts", "value": 0.00024, "unit": "kt", "rank": 2, "svgId": "energy-lightning", "citation": "National Weather Service / NOAA average lightning flash energy (~1 gigajoule = 0.000239 kt TNT)." }, "smaller_ratio": 791.6666666666666, "larger_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "larger_ratio": 0.012666666666666666 }, "size_comparison": { "best_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "ratio": 0.8588235294117647, "text": "about the size of a adult human", "smaller_item": { "id": "house-cat", "label": "house cat", "plural": "house cats", "value": 0.45, "unit": "m", "rank": 20, "svgId": "silhouette-cat", "citation": "Standard domestic cat average nose-to-tail base length, Wilson & Reeder Mammal Species of the World." }, "smaller_ratio": 3.2444444444444445, "larger_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "larger_ratio": 0.8588235294117647 }, "speed_comparison": null, "key_facts": [ "On 2026-01-31 18:07:14 UTC, a bright bolide meteor was detected in Earth atmosphere.", "Calculated impact energy was 0.19 kilotons of TNT, which is 0.0127 times the size of a Hiroshima equivalent.", "Peak brightness occurred at an altitude of 32 km.", "Estimated pre-atmospheric impactor diameter was 1.46 meters." ] }, { "date_utc": "2026-01-30 10:25:37", "date_str": "2026-01-30 10:25:37", "impact_energy_kt": 0.12, "total_radiated_energy_j": 34000000000, "lat": -45, "lon": 174.5, "lat_dir": "S", "lon_dir": "E", "altitude_km": 89, "velocity_kms": 71.1, "vx": null, "vy": null, "vz": null, "calculated_diameter_m": 0.5, "slug": "20260130102537", "energy_comparison": { "best_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "ratio": 0.008, "text": "0.008 times the size of a Hiroshima equivalent", "smaller_item": { "id": "lightning-bolt", "label": "lightning bolt", "plural": "lightning bolts", "value": 0.00024, "unit": "kt", "rank": 2, "svgId": "energy-lightning", "citation": "National Weather Service / NOAA average lightning flash energy (~1 gigajoule = 0.000239 kt TNT)." }, "smaller_ratio": 499.99999999999994, "larger_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "larger_ratio": 0.008 }, "size_comparison": { "best_item": { "id": "house-cat", "label": "house cat", "plural": "house cats", "value": 0.45, "unit": "m", "rank": 20, "svgId": "silhouette-cat", "citation": "Standard domestic cat average nose-to-tail base length, Wilson & Reeder Mammal Species of the World." }, "ratio": 1.1111111111111112, "text": "about the size of a house cat", "smaller_item": { "id": "house-cat", "label": "house cat", "plural": "house cats", "value": 0.45, "unit": "m", "rank": 20, "svgId": "silhouette-cat", "citation": "Standard domestic cat average nose-to-tail base length, Wilson & Reeder Mammal Species of the World." }, "smaller_ratio": 1.1111111111111112, "larger_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "larger_ratio": 0.29411764705882354 }, "speed_comparison": { "best_item": { "id": "iss-speed", "label": "ISS orbital velocity", "plural": "ISS orbital speeds", "value": 7.66, "unit": "km/s", "rank": 1, "svgId": "speed-iss", "citation": "NASA International Space Station average orbital speed in low Earth orbit." }, "ratio": 9.281984334203655, "text": "about 9 ISS orbital speeds", "smaller_item": { "id": "earth-orbit-speed", "label": "Earth orbital speed", "plural": "Earth orbital speeds", "value": 29.8, "unit": "km/s", "rank": 6, "svgId": "speed-earth-orbit", "citation": "NASA JPL mean orbital speed of Earth around the Sun." }, "smaller_ratio": 2.385906040268456, "larger_item": null, "larger_ratio": null }, "key_facts": [ "On 2026-01-30 10:25:37 UTC, a bright bolide meteor was detected in Earth atmosphere.", "Calculated impact energy was 0.12 kilotons of TNT, which is 0.008 times the size of a Hiroshima equivalent.", "Peak brightness occurred at an altitude of 89 km.", "Atmospheric entry velocity was 71.1 km/s.", "Estimated pre-atmospheric impactor diameter was 0.5 meters." ] }, { "date_utc": "2025-12-16 20:58:12", "date_str": "2025-12-16 20:58:12", "impact_energy_kt": 0.29, "total_radiated_energy_j": 96000000000, "lat": -24.1, "lon": -92.4, "lat_dir": "S", "lon_dir": "W", "altitude_km": 25, "velocity_kms": 19, "vx": null, "vy": null, "vz": null, "calculated_diameter_m": 1.62, "slug": "20251216205812", "energy_comparison": { "best_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "ratio": 0.01933333333333333, "text": "0.0193 times the size of a Hiroshima equivalent", "smaller_item": { "id": "lightning-bolt", "label": "lightning bolt", "plural": "lightning bolts", "value": 0.00024, "unit": "kt", "rank": 2, "svgId": "energy-lightning", "citation": "National Weather Service / NOAA average lightning flash energy (~1 gigajoule = 0.000239 kt TNT)." }, "smaller_ratio": 1208.3333333333333, "larger_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "larger_ratio": 0.01933333333333333 }, "size_comparison": { "best_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "ratio": 0.9529411764705883, "text": "about the size of a adult human", "smaller_item": { "id": "house-cat", "label": "house cat", "plural": "house cats", "value": 0.45, "unit": "m", "rank": 20, "svgId": "silhouette-cat", "citation": "Standard domestic cat average nose-to-tail base length, Wilson & Reeder Mammal Species of the World." }, "smaller_ratio": 3.6, "larger_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "larger_ratio": 0.9529411764705883 }, "speed_comparison": { "best_item": { "id": "iss-speed", "label": "ISS orbital velocity", "plural": "ISS orbital speeds", "value": 7.66, "unit": "km/s", "rank": 1, "svgId": "speed-iss", "citation": "NASA International Space Station average orbital speed in low Earth orbit." }, "ratio": 2.4804177545691903, "text": "about 2.5 ISS orbital speeds", "smaller_item": { "id": "earth-escape", "label": "Earth escape velocity", "plural": "Earth escape speeds", "value": 11.2, "unit": "km/s", "rank": 5, "svgId": "speed-escape", "citation": "Planetary escape velocity from Earth surface." }, "smaller_ratio": 1.6964285714285716, "larger_item": { "id": "earth-orbit-speed", "label": "Earth orbital speed", "plural": "Earth orbital speeds", "value": 29.8, "unit": "km/s", "rank": 6, "svgId": "speed-earth-orbit", "citation": "NASA JPL mean orbital speed of Earth around the Sun." }, "larger_ratio": 0.6375838926174496 }, "key_facts": [ "On 2025-12-16 20:58:12 UTC, a bright bolide meteor was detected in Earth atmosphere.", "Calculated impact energy was 0.29 kilotons of TNT, which is 0.0193 times the size of a Hiroshima equivalent.", "Peak brightness occurred at an altitude of 25 km.", "Atmospheric entry velocity was 19 km/s.", "Estimated pre-atmospheric impactor diameter was 1.62 meters." ] }, { "date_utc": "2025-11-15 00:48:43", "date_str": "2025-11-15 00:48:43", "impact_energy_kt": 0.32, "total_radiated_energy_j": 105000000000, "lat": -62.2, "lon": -94.7, "lat_dir": "S", "lon_dir": "W", "altitude_km": 30, "velocity_kms": 16, "vx": null, "vy": null, "vz": null, "calculated_diameter_m": 1.88, "slug": "20251115004843", "energy_comparison": { "best_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "ratio": 0.021333333333333333, "text": "0.0213 times the size of a Hiroshima equivalent", "smaller_item": { "id": "lightning-bolt", "label": "lightning bolt", "plural": "lightning bolts", "value": 0.00024, "unit": "kt", "rank": 2, "svgId": "energy-lightning", "citation": "National Weather Service / NOAA average lightning flash energy (~1 gigajoule = 0.000239 kt TNT)." }, "smaller_ratio": 1333.3333333333333, "larger_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "larger_ratio": 0.021333333333333333 }, "size_comparison": { "best_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "ratio": 1.1058823529411765, "text": "about the size of a adult human", "smaller_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "smaller_ratio": 1.1058823529411765, "larger_item": { "id": "family-car", "label": "family car", "plural": "family cars", "value": 4.5, "unit": "m", "rank": 6, "svgId": "silhouette-car", "citation": "ISO standard passenger vehicle average overall bumper-to-bumper length." }, "larger_ratio": 0.41777777777777775 }, "speed_comparison": { "best_item": { "id": "iss-speed", "label": "ISS orbital velocity", "plural": "ISS orbital speeds", "value": 7.66, "unit": "km/s", "rank": 1, "svgId": "speed-iss", "citation": "NASA International Space Station average orbital speed in low Earth orbit." }, "ratio": 2.0887728459530024, "text": "about 2 ISS orbital speeds", "smaller_item": { "id": "earth-escape", "label": "Earth escape velocity", "plural": "Earth escape speeds", "value": 11.2, "unit": "km/s", "rank": 5, "svgId": "speed-escape", "citation": "Planetary escape velocity from Earth surface." }, "smaller_ratio": 1.4285714285714286, "larger_item": { "id": "earth-orbit-speed", "label": "Earth orbital speed", "plural": "Earth orbital speeds", "value": 29.8, "unit": "km/s", "rank": 6, "svgId": "speed-earth-orbit", "citation": "NASA JPL mean orbital speed of Earth around the Sun." }, "larger_ratio": 0.5369127516778524 }, "key_facts": [ "On 2025-11-15 00:48:43 UTC, a bright bolide meteor was detected in Earth atmosphere.", "Calculated impact energy was 0.32 kilotons of TNT, which is 0.0213 times the size of a Hiroshima equivalent.", "Peak brightness occurred at an altitude of 30 km.", "Atmospheric entry velocity was 16 km/s.", "Estimated pre-atmospheric impactor diameter was 1.88 meters." ] }, { "date_utc": "2025-11-11 17:39:51", "date_str": "2025-11-11 17:39:51", "impact_energy_kt": 0.28, "total_radiated_energy_j": 93000000000, "lat": 27.3, "lon": -79.8, "lat_dir": "N", "lon_dir": "W", "altitude_km": 42, "velocity_kms": 18.7, "vx": null, "vy": null, "vz": null, "calculated_diameter_m": 1.62, "slug": "20251111173951", "energy_comparison": { "best_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "ratio": 0.018666666666666668, "text": "0.0187 times the size of a Hiroshima equivalent", "smaller_item": { "id": "lightning-bolt", "label": "lightning bolt", "plural": "lightning bolts", "value": 0.00024, "unit": "kt", "rank": 2, "svgId": "energy-lightning", "citation": "National Weather Service / NOAA average lightning flash energy (~1 gigajoule = 0.000239 kt TNT)." }, "smaller_ratio": 1166.6666666666667, "larger_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "larger_ratio": 0.018666666666666668 }, "size_comparison": { "best_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "ratio": 0.9529411764705883, "text": "about the size of a adult human", "smaller_item": { "id": "house-cat", "label": "house cat", "plural": "house cats", "value": 0.45, "unit": "m", "rank": 20, "svgId": "silhouette-cat", "citation": "Standard domestic cat average nose-to-tail base length, Wilson & Reeder Mammal Species of the World." }, "smaller_ratio": 3.6, "larger_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "larger_ratio": 0.9529411764705883 }, "speed_comparison": { "best_item": { "id": "iss-speed", "label": "ISS orbital velocity", "plural": "ISS orbital speeds", "value": 7.66, "unit": "km/s", "rank": 1, "svgId": "speed-iss", "citation": "NASA International Space Station average orbital speed in low Earth orbit." }, "ratio": 2.4412532637075715, "text": "about 2.5 ISS orbital speeds", "smaller_item": { "id": "earth-escape", "label": "Earth escape velocity", "plural": "Earth escape speeds", "value": 11.2, "unit": "km/s", "rank": 5, "svgId": "speed-escape", "citation": "Planetary escape velocity from Earth surface." }, "smaller_ratio": 1.6696428571428572, "larger_item": { "id": "earth-orbit-speed", "label": "Earth orbital speed", "plural": "Earth orbital speeds", "value": 29.8, "unit": "km/s", "rank": 6, "svgId": "speed-earth-orbit", "citation": "NASA JPL mean orbital speed of Earth around the Sun." }, "larger_ratio": 0.6275167785234899 }, "key_facts": [ "On 2025-11-11 17:39:51 UTC, a bright bolide meteor was detected in Earth atmosphere.", "Calculated impact energy was 0.28 kilotons of TNT, which is 0.0187 times the size of a Hiroshima equivalent.", "Peak brightness occurred at an altitude of 42 km.", "Atmospheric entry velocity was 18.7 km/s.", "Estimated pre-atmospheric impactor diameter was 1.62 meters." ] }, { "date_utc": "2025-10-20 13:31:27", "date_str": "2025-10-20 13:31:27", "impact_energy_kt": 0.073, "total_radiated_energy_j": 20000000000, "lat": 5.7, "lon": -135.2, "lat_dir": "N", "lon_dir": "W", "altitude_km": 41, "velocity_kms": 26.7, "vx": null, "vy": null, "vz": null, "calculated_diameter_m": 0.82, "slug": "20251020133127", "energy_comparison": { "best_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "ratio": 0.004866666666666667, "text": "0.00487 times the size of a Hiroshima equivalent", "smaller_item": { "id": "lightning-bolt", "label": "lightning bolt", "plural": "lightning bolts", "value": 0.00024, "unit": "kt", "rank": 2, "svgId": "energy-lightning", "citation": "National Weather Service / NOAA average lightning flash energy (~1 gigajoule = 0.000239 kt TNT)." }, "smaller_ratio": 304.16666666666663, "larger_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "larger_ratio": 0.004866666666666667 }, "size_comparison": { "best_item": { "id": "house-cat", "label": "house cat", "plural": "house cats", "value": 0.45, "unit": "m", "rank": 20, "svgId": "silhouette-cat", "citation": "Standard domestic cat average nose-to-tail base length, Wilson & Reeder Mammal Species of the World." }, "ratio": 1.822222222222222, "text": "about one and a half house cats", "smaller_item": { "id": "house-cat", "label": "house cat", "plural": "house cats", "value": 0.45, "unit": "m", "rank": 20, "svgId": "silhouette-cat", "citation": "Standard domestic cat average nose-to-tail base length, Wilson & Reeder Mammal Species of the World." }, "smaller_ratio": 1.822222222222222, "larger_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "larger_ratio": 0.4823529411764706 }, "speed_comparison": { "best_item": { "id": "iss-speed", "label": "ISS orbital velocity", "plural": "ISS orbital speeds", "value": 7.66, "unit": "km/s", "rank": 1, "svgId": "speed-iss", "citation": "NASA International Space Station average orbital speed in low Earth orbit." }, "ratio": 3.485639686684073, "text": "about 3 ISS orbital speeds", "smaller_item": { "id": "earth-escape", "label": "Earth escape velocity", "plural": "Earth escape speeds", "value": 11.2, "unit": "km/s", "rank": 5, "svgId": "speed-escape", "citation": "Planetary escape velocity from Earth surface." }, "smaller_ratio": 2.3839285714285716, "larger_item": { "id": "earth-orbit-speed", "label": "Earth orbital speed", "plural": "Earth orbital speeds", "value": 29.8, "unit": "km/s", "rank": 6, "svgId": "speed-earth-orbit", "citation": "NASA JPL mean orbital speed of Earth around the Sun." }, "larger_ratio": 0.8959731543624161 }, "key_facts": [ "On 2025-10-20 13:31:27 UTC, a bright bolide meteor was detected in Earth atmosphere.", "Calculated impact energy was 0.073 kilotons of TNT, which is 0.00487 times the size of a Hiroshima equivalent.", "Peak brightness occurred at an altitude of 41 km.", "Atmospheric entry velocity was 26.7 km/s.", "Estimated pre-atmospheric impactor diameter was 0.82 meters." ] }, { "date_utc": "2025-09-13 22:24:59", "date_str": "2025-09-13 22:24:59", "impact_energy_kt": 0.48, "total_radiated_energy_j": 167000000000, "lat": -38.1, "lon": -64.8, "lat_dir": "S", "lon_dir": "W", "altitude_km": 25.1, "velocity_kms": 17.8, "vx": null, "vy": null, "vz": null, "calculated_diameter_m": 2.01, "slug": "20250913222459", "energy_comparison": { "best_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "ratio": 0.032, "text": "0.032 times the size of a Hiroshima equivalent", "smaller_item": { "id": "lightning-bolt", "label": "lightning bolt", "plural": "lightning bolts", "value": 0.00024, "unit": "kt", "rank": 2, "svgId": "energy-lightning", "citation": "National Weather Service / NOAA average lightning flash energy (~1 gigajoule = 0.000239 kt TNT)." }, "smaller_ratio": 1999.9999999999998, "larger_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "larger_ratio": 0.032 }, "size_comparison": { "best_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "ratio": 1.1823529411764704, "text": "about one and a half adult humans", "smaller_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "smaller_ratio": 1.1823529411764704, "larger_item": { "id": "family-car", "label": "family car", "plural": "family cars", "value": 4.5, "unit": "m", "rank": 6, "svgId": "silhouette-car", "citation": "ISO standard passenger vehicle average overall bumper-to-bumper length." }, "larger_ratio": 0.4466666666666666 }, "speed_comparison": { "best_item": { "id": "iss-speed", "label": "ISS orbital velocity", "plural": "ISS orbital speeds", "value": 7.66, "unit": "km/s", "rank": 1, "svgId": "speed-iss", "citation": "NASA International Space Station average orbital speed in low Earth orbit." }, "ratio": 2.3237597911227152, "text": "about 2.5 ISS orbital speeds", "smaller_item": { "id": "earth-escape", "label": "Earth escape velocity", "plural": "Earth escape speeds", "value": 11.2, "unit": "km/s", "rank": 5, "svgId": "speed-escape", "citation": "Planetary escape velocity from Earth surface." }, "smaller_ratio": 1.5892857142857144, "larger_item": { "id": "earth-orbit-speed", "label": "Earth orbital speed", "plural": "Earth orbital speeds", "value": 29.8, "unit": "km/s", "rank": 6, "svgId": "speed-earth-orbit", "citation": "NASA JPL mean orbital speed of Earth around the Sun." }, "larger_ratio": 0.5973154362416108 }, "key_facts": [ "On 2025-09-13 22:24:59 UTC, a bright bolide meteor was detected in Earth atmosphere.", "Calculated impact energy was 0.48 kilotons of TNT, which is 0.032 times the size of a Hiroshima equivalent.", "Peak brightness occurred at an altitude of 25.1 km.", "Atmospheric entry velocity was 17.8 km/s.", "Estimated pre-atmospheric impactor diameter was 2.01 meters." ] }, { "date_utc": "2025-09-10 11:00:57", "date_str": "2025-09-10 11:00:57", "impact_energy_kt": 0.098, "total_radiated_energy_j": 28000000000, "lat": -14.8, "lon": -142.4, "lat_dir": "S", "lon_dir": "W", "altitude_km": 37, "velocity_kms": null, "vx": null, "vy": null, "vz": null, "calculated_diameter_m": 1.17, "slug": "20250910110057", "energy_comparison": { "best_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "ratio": 0.006533333333333334, "text": "0.00653 times the size of a Hiroshima equivalent", "smaller_item": { "id": "lightning-bolt", "label": "lightning bolt", "plural": "lightning bolts", "value": 0.00024, "unit": "kt", "rank": 2, "svgId": "energy-lightning", "citation": "National Weather Service / NOAA average lightning flash energy (~1 gigajoule = 0.000239 kt TNT)." }, "smaller_ratio": 408.3333333333333, "larger_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "larger_ratio": 0.006533333333333334 }, "size_comparison": { "best_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "ratio": 0.6882352941176471, "text": "0.688 times the size of a adult human", "smaller_item": { "id": "house-cat", "label": "house cat", "plural": "house cats", "value": 0.45, "unit": "m", "rank": 20, "svgId": "silhouette-cat", "citation": "Standard domestic cat average nose-to-tail base length, Wilson & Reeder Mammal Species of the World." }, "smaller_ratio": 2.5999999999999996, "larger_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "larger_ratio": 0.6882352941176471 }, "speed_comparison": null, "key_facts": [ "On 2025-09-10 11:00:57 UTC, a bright bolide meteor was detected in Earth atmosphere.", "Calculated impact energy was 0.098 kilotons of TNT, which is 0.00653 times the size of a Hiroshima equivalent.", "Peak brightness occurred at an altitude of 37 km.", "Estimated pre-atmospheric impactor diameter was 1.17 meters." ] }, { "date_utc": "2025-09-09 17:49:10", "date_str": "2025-09-09 17:49:10", "impact_energy_kt": 0.44, "total_radiated_energy_j": 153000000000, "lat": -2.3, "lon": -39.5, "lat_dir": "S", "lon_dir": "W", "altitude_km": 24, "velocity_kms": 20.7, "vx": null, "vy": null, "vz": null, "calculated_diameter_m": 1.76, "slug": "20250909174910", "energy_comparison": { "best_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "ratio": 0.029333333333333333, "text": "0.0293 times the size of a Hiroshima equivalent", "smaller_item": { "id": "lightning-bolt", "label": "lightning bolt", "plural": "lightning bolts", "value": 0.00024, "unit": "kt", "rank": 2, "svgId": "energy-lightning", "citation": "National Weather Service / NOAA average lightning flash energy (~1 gigajoule = 0.000239 kt TNT)." }, "smaller_ratio": 1833.3333333333333, "larger_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "larger_ratio": 0.029333333333333333 }, "size_comparison": { "best_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "ratio": 1.035294117647059, "text": "about the size of a adult human", "smaller_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "smaller_ratio": 1.035294117647059, "larger_item": { "id": "family-car", "label": "family car", "plural": "family cars", "value": 4.5, "unit": "m", "rank": 6, "svgId": "silhouette-car", "citation": "ISO standard passenger vehicle average overall bumper-to-bumper length." }, "larger_ratio": 0.39111111111111113 }, "speed_comparison": { "best_item": { "id": "iss-speed", "label": "ISS orbital velocity", "plural": "ISS orbital speeds", "value": 7.66, "unit": "km/s", "rank": 1, "svgId": "speed-iss", "citation": "NASA International Space Station average orbital speed in low Earth orbit." }, "ratio": 2.702349869451697, "text": "about 2.5 ISS orbital speeds", "smaller_item": { "id": "earth-escape", "label": "Earth escape velocity", "plural": "Earth escape speeds", "value": 11.2, "unit": "km/s", "rank": 5, "svgId": "speed-escape", "citation": "Planetary escape velocity from Earth surface." }, "smaller_ratio": 1.8482142857142858, "larger_item": { "id": "earth-orbit-speed", "label": "Earth orbital speed", "plural": "Earth orbital speeds", "value": 29.8, "unit": "km/s", "rank": 6, "svgId": "speed-earth-orbit", "citation": "NASA JPL mean orbital speed of Earth around the Sun." }, "larger_ratio": 0.6946308724832214 }, "key_facts": [ "On 2025-09-09 17:49:10 UTC, a bright bolide meteor was detected in Earth atmosphere.", "Calculated impact energy was 0.44 kilotons of TNT, which is 0.0293 times the size of a Hiroshima equivalent.", "Peak brightness occurred at an altitude of 24 km.", "Atmospheric entry velocity was 20.7 km/s.", "Estimated pre-atmospheric impactor diameter was 1.76 meters." ] }, { "date_utc": "2025-09-08 10:09:15", "date_str": "2025-09-08 10:09:15", "impact_energy_kt": 0.12, "total_radiated_energy_j": 36000000000, "lat": 26.4, "lon": 42.2, "lat_dir": "N", "lon_dir": "E", "altitude_km": 28.4, "velocity_kms": null, "vx": null, "vy": null, "vz": null, "calculated_diameter_m": 1.25, "slug": "20250908100915", "energy_comparison": { "best_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "ratio": 0.008, "text": "0.008 times the size of a Hiroshima equivalent", "smaller_item": { "id": "lightning-bolt", "label": "lightning bolt", "plural": "lightning bolts", "value": 0.00024, "unit": "kt", "rank": 2, "svgId": "energy-lightning", "citation": "National Weather Service / NOAA average lightning flash energy (~1 gigajoule = 0.000239 kt TNT)." }, "smaller_ratio": 499.99999999999994, "larger_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "larger_ratio": 0.008 }, "size_comparison": { "best_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "ratio": 0.7352941176470589, "text": "0.735 times the size of a adult human", "smaller_item": { "id": "house-cat", "label": "house cat", "plural": "house cats", "value": 0.45, "unit": "m", "rank": 20, "svgId": "silhouette-cat", "citation": "Standard domestic cat average nose-to-tail base length, Wilson & Reeder Mammal Species of the World." }, "smaller_ratio": 2.7777777777777777, "larger_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "larger_ratio": 0.7352941176470589 }, "speed_comparison": null, "key_facts": [ "On 2025-09-08 10:09:15 UTC, a bright bolide meteor was detected in Earth atmosphere.", "Calculated impact energy was 0.12 kilotons of TNT, which is 0.008 times the size of a Hiroshima equivalent.", "Peak brightness occurred at an altitude of 28.4 km.", "Estimated pre-atmospheric impactor diameter was 1.25 meters." ] }, { "date_utc": "2025-08-19 14:08:48", "date_str": "2025-08-19 14:08:48", "impact_energy_kt": 1.6, "total_radiated_energy_j": 658000000000, "lat": 30.9, "lon": 131.8, "lat_dir": "N", "lon_dir": "E", "altitude_km": 27.5, "velocity_kms": 19.6, "vx": null, "vy": null, "vz": null, "calculated_diameter_m": 2.81, "slug": "20250819140848", "energy_comparison": { "best_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "ratio": 0.10666666666666667, "text": "0.107 times the size of a Hiroshima equivalent", "smaller_item": { "id": "lightning-bolt", "label": "lightning bolt", "plural": "lightning bolts", "value": 0.00024, "unit": "kt", "rank": 2, "svgId": "energy-lightning", "citation": "National Weather Service / NOAA average lightning flash energy (~1 gigajoule = 0.000239 kt TNT)." }, "smaller_ratio": 6666.666666666667, "larger_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "larger_ratio": 0.10666666666666667 }, "size_comparison": { "best_item": { "id": "family-car", "label": "family car", "plural": "family cars", "value": 4.5, "unit": "m", "rank": 6, "svgId": "silhouette-car", "citation": "ISO standard passenger vehicle average overall bumper-to-bumper length." }, "ratio": 0.6244444444444445, "text": "0.624 times the size of a family car", "smaller_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "smaller_ratio": 1.6529411764705884, "larger_item": { "id": "family-car", "label": "family car", "plural": "family cars", "value": 4.5, "unit": "m", "rank": 6, "svgId": "silhouette-car", "citation": "ISO standard passenger vehicle average overall bumper-to-bumper length." }, "larger_ratio": 0.6244444444444445 }, "speed_comparison": { "best_item": { "id": "iss-speed", "label": "ISS orbital velocity", "plural": "ISS orbital speeds", "value": 7.66, "unit": "km/s", "rank": 1, "svgId": "speed-iss", "citation": "NASA International Space Station average orbital speed in low Earth orbit." }, "ratio": 2.5587467362924285, "text": "about 2.5 ISS orbital speeds", "smaller_item": { "id": "earth-escape", "label": "Earth escape velocity", "plural": "Earth escape speeds", "value": 11.2, "unit": "km/s", "rank": 5, "svgId": "speed-escape", "citation": "Planetary escape velocity from Earth surface." }, "smaller_ratio": 1.7500000000000002, "larger_item": { "id": "earth-orbit-speed", "label": "Earth orbital speed", "plural": "Earth orbital speeds", "value": 29.8, "unit": "km/s", "rank": 6, "svgId": "speed-earth-orbit", "citation": "NASA JPL mean orbital speed of Earth around the Sun." }, "larger_ratio": 0.6577181208053692 }, "key_facts": [ "On 2025-08-19 14:08:48 UTC, a bright bolide meteor was detected in Earth atmosphere.", "Calculated impact energy was 1.6 kilotons of TNT, which is 0.107 times the size of a Hiroshima equivalent.", "Peak brightness occurred at an altitude of 27.5 km.", "Atmospheric entry velocity was 19.6 km/s.", "Estimated pre-atmospheric impactor diameter was 2.81 meters." ] }, { "date_utc": "2025-08-12 04:09:48", "date_str": "2025-08-12 04:09:48", "impact_energy_kt": 0.15, "total_radiated_energy_j": 44000000000, "lat": -58.5, "lon": -22.3, "lat_dir": "S", "lon_dir": "W", "altitude_km": 60, "velocity_kms": null, "vx": null, "vy": null, "vz": null, "calculated_diameter_m": 1.35, "slug": "20250812040948", "energy_comparison": { "best_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "ratio": 0.01, "text": "0.01 times the size of a Hiroshima equivalent", "smaller_item": { "id": "lightning-bolt", "label": "lightning bolt", "plural": "lightning bolts", "value": 0.00024, "unit": "kt", "rank": 2, "svgId": "energy-lightning", "citation": "National Weather Service / NOAA average lightning flash energy (~1 gigajoule = 0.000239 kt TNT)." }, "smaller_ratio": 625, "larger_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "larger_ratio": 0.01 }, "size_comparison": { "best_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "ratio": 0.7941176470588236, "text": "0.794 times the size of a adult human", "smaller_item": { "id": "house-cat", "label": "house cat", "plural": "house cats", "value": 0.45, "unit": "m", "rank": 20, "svgId": "silhouette-cat", "citation": "Standard domestic cat average nose-to-tail base length, Wilson & Reeder Mammal Species of the World." }, "smaller_ratio": 3, "larger_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "larger_ratio": 0.7941176470588236 }, "speed_comparison": null, "key_facts": [ "On 2025-08-12 04:09:48 UTC, a bright bolide meteor was detected in Earth atmosphere.", "Calculated impact energy was 0.15 kilotons of TNT, which is 0.01 times the size of a Hiroshima equivalent.", "Peak brightness occurred at an altitude of 60 km.", "Estimated pre-atmospheric impactor diameter was 1.35 meters." ] }, { "date_utc": "2025-07-11 01:48:33", "date_str": "2025-07-11 01:48:33", "impact_energy_kt": 0.11, "total_radiated_energy_j": 32000000000, "lat": -6.6, "lon": -167.5, "lat_dir": "S", "lon_dir": "W", "altitude_km": 28, "velocity_kms": 13.6, "vx": null, "vy": null, "vz": null, "calculated_diameter_m": 1.47, "slug": "20250711014833", "energy_comparison": { "best_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "ratio": 0.007333333333333333, "text": "0.00733 times the size of a Hiroshima equivalent", "smaller_item": { "id": "lightning-bolt", "label": "lightning bolt", "plural": "lightning bolts", "value": 0.00024, "unit": "kt", "rank": 2, "svgId": "energy-lightning", "citation": "National Weather Service / NOAA average lightning flash energy (~1 gigajoule = 0.000239 kt TNT)." }, "smaller_ratio": 458.3333333333333, "larger_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "larger_ratio": 0.007333333333333333 }, "size_comparison": { "best_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "ratio": 0.8647058823529412, "text": "about the size of a adult human", "smaller_item": { "id": "house-cat", "label": "house cat", "plural": "house cats", "value": 0.45, "unit": "m", "rank": 20, "svgId": "silhouette-cat", "citation": "Standard domestic cat average nose-to-tail base length, Wilson & Reeder Mammal Species of the World." }, "smaller_ratio": 3.2666666666666666, "larger_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "larger_ratio": 0.8647058823529412 }, "speed_comparison": { "best_item": { "id": "iss-speed", "label": "ISS orbital velocity", "plural": "ISS orbital speeds", "value": 7.66, "unit": "km/s", "rank": 1, "svgId": "speed-iss", "citation": "NASA International Space Station average orbital speed in low Earth orbit." }, "ratio": 1.7754569190600522, "text": "about one and a half ISS orbital speeds", "smaller_item": { "id": "earth-escape", "label": "Earth escape velocity", "plural": "Earth escape speeds", "value": 11.2, "unit": "km/s", "rank": 5, "svgId": "speed-escape", "citation": "Planetary escape velocity from Earth surface." }, "smaller_ratio": 1.2142857142857144, "larger_item": { "id": "earth-orbit-speed", "label": "Earth orbital speed", "plural": "Earth orbital speeds", "value": 29.8, "unit": "km/s", "rank": 6, "svgId": "speed-earth-orbit", "citation": "NASA JPL mean orbital speed of Earth around the Sun." }, "larger_ratio": 0.45637583892617445 }, "key_facts": [ "On 2025-07-11 01:48:33 UTC, a bright bolide meteor was detected in Earth atmosphere.", "Calculated impact energy was 0.11 kilotons of TNT, which is 0.00733 times the size of a Hiroshima equivalent.", "Peak brightness occurred at an altitude of 28 km.", "Atmospheric entry velocity was 13.6 km/s.", "Estimated pre-atmospheric impactor diameter was 1.47 meters." ] }, { "date_utc": "2025-06-26 16:24:57", "date_str": "2025-06-26 16:24:57", "impact_energy_kt": 0.48, "total_radiated_energy_j": 170000000000, "lat": 33.4, "lon": -84.1, "lat_dir": "N", "lon_dir": "W", "altitude_km": 32.6, "velocity_kms": null, "vx": null, "vy": null, "vz": null, "calculated_diameter_m": 1.99, "slug": "20250626162457", "energy_comparison": { "best_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "ratio": 0.032, "text": "0.032 times the size of a Hiroshima equivalent", "smaller_item": { "id": "lightning-bolt", "label": "lightning bolt", "plural": "lightning bolts", "value": 0.00024, "unit": "kt", "rank": 2, "svgId": "energy-lightning", "citation": "National Weather Service / NOAA average lightning flash energy (~1 gigajoule = 0.000239 kt TNT)." }, "smaller_ratio": 1999.9999999999998, "larger_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "larger_ratio": 0.032 }, "size_comparison": { "best_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "ratio": 1.1705882352941177, "text": "about one and a half adult humans", "smaller_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "smaller_ratio": 1.1705882352941177, "larger_item": { "id": "family-car", "label": "family car", "plural": "family cars", "value": 4.5, "unit": "m", "rank": 6, "svgId": "silhouette-car", "citation": "ISO standard passenger vehicle average overall bumper-to-bumper length." }, "larger_ratio": 0.44222222222222224 }, "speed_comparison": null, "key_facts": [ "On 2025-06-26 16:24:57 UTC, a bright bolide meteor was detected in Earth atmosphere.", "Calculated impact energy was 0.48 kilotons of TNT, which is 0.032 times the size of a Hiroshima equivalent.", "Peak brightness occurred at an altitude of 32.6 km.", "Estimated pre-atmospheric impactor diameter was 1.99 meters." ] }, { "date_utc": "2025-06-26 00:37:20", "date_str": "2025-06-26 00:37:20", "impact_energy_kt": 0.39, "total_radiated_energy_j": 132000000000, "lat": 12.1, "lon": -103.6, "lat_dir": "N", "lon_dir": "W", "altitude_km": 30, "velocity_kms": 19.3, "vx": null, "vy": null, "vz": null, "calculated_diameter_m": 1.77, "slug": "20250626003720", "energy_comparison": { "best_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "ratio": 0.026000000000000002, "text": "0.026 times the size of a Hiroshima equivalent", "smaller_item": { "id": "lightning-bolt", "label": "lightning bolt", "plural": "lightning bolts", "value": 0.00024, "unit": "kt", "rank": 2, "svgId": "energy-lightning", "citation": "National Weather Service / NOAA average lightning flash energy (~1 gigajoule = 0.000239 kt TNT)." }, "smaller_ratio": 1625, "larger_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "larger_ratio": 0.026000000000000002 }, "size_comparison": { "best_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "ratio": 1.0411764705882354, "text": "about the size of a adult human", "smaller_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "smaller_ratio": 1.0411764705882354, "larger_item": { "id": "family-car", "label": "family car", "plural": "family cars", "value": 4.5, "unit": "m", "rank": 6, "svgId": "silhouette-car", "citation": "ISO standard passenger vehicle average overall bumper-to-bumper length." }, "larger_ratio": 0.3933333333333333 }, "speed_comparison": { "best_item": { "id": "iss-speed", "label": "ISS orbital velocity", "plural": "ISS orbital speeds", "value": 7.66, "unit": "km/s", "rank": 1, "svgId": "speed-iss", "citation": "NASA International Space Station average orbital speed in low Earth orbit." }, "ratio": 2.5195822454308097, "text": "about 2.5 ISS orbital speeds", "smaller_item": { "id": "earth-escape", "label": "Earth escape velocity", "plural": "Earth escape speeds", "value": 11.2, "unit": "km/s", "rank": 5, "svgId": "speed-escape", "citation": "Planetary escape velocity from Earth surface." }, "smaller_ratio": 1.7232142857142858, "larger_item": { "id": "earth-orbit-speed", "label": "Earth orbital speed", "plural": "Earth orbital speeds", "value": 29.8, "unit": "km/s", "rank": 6, "svgId": "speed-earth-orbit", "citation": "NASA JPL mean orbital speed of Earth around the Sun." }, "larger_ratio": 0.6476510067114094 }, "key_facts": [ "On 2025-06-26 00:37:20 UTC, a bright bolide meteor was detected in Earth atmosphere.", "Calculated impact energy was 0.39 kilotons of TNT, which is 0.026 times the size of a Hiroshima equivalent.", "Peak brightness occurred at an altitude of 30 km.", "Atmospheric entry velocity was 19.3 km/s.", "Estimated pre-atmospheric impactor diameter was 1.77 meters." ] }, { "date_utc": "2025-06-22 14:37:02", "date_str": "2025-06-22 14:37:02", "impact_energy_kt": 0.13, "total_radiated_energy_j": 37000000000, "lat": -18.8, "lon": 175.7, "lat_dir": "S", "lon_dir": "E", "altitude_km": 57, "velocity_kms": null, "vx": null, "vy": null, "vz": null, "calculated_diameter_m": 1.29, "slug": "20250622143702", "energy_comparison": { "best_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "ratio": 0.008666666666666666, "text": "0.00867 times the size of a Hiroshima equivalent", "smaller_item": { "id": "lightning-bolt", "label": "lightning bolt", "plural": "lightning bolts", "value": 0.00024, "unit": "kt", "rank": 2, "svgId": "energy-lightning", "citation": "National Weather Service / NOAA average lightning flash energy (~1 gigajoule = 0.000239 kt TNT)." }, "smaller_ratio": 541.6666666666666, "larger_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "larger_ratio": 0.008666666666666666 }, "size_comparison": { "best_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "ratio": 0.7588235294117648, "text": "0.759 times the size of a adult human", "smaller_item": { "id": "house-cat", "label": "house cat", "plural": "house cats", "value": 0.45, "unit": "m", "rank": 20, "svgId": "silhouette-cat", "citation": "Standard domestic cat average nose-to-tail base length, Wilson & Reeder Mammal Species of the World." }, "smaller_ratio": 2.8666666666666667, "larger_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "larger_ratio": 0.7588235294117648 }, "speed_comparison": null, "key_facts": [ "On 2025-06-22 14:37:02 UTC, a bright bolide meteor was detected in Earth atmosphere.", "Calculated impact energy was 0.13 kilotons of TNT, which is 0.00867 times the size of a Hiroshima equivalent.", "Peak brightness occurred at an altitude of 57 km.", "Estimated pre-atmospheric impactor diameter was 1.29 meters." ] }, { "date_utc": "2025-06-21 20:55:14", "date_str": "2025-06-21 20:55:14", "impact_energy_kt": 0.1, "total_radiated_energy_j": 30000000000, "lat": -61.3, "lon": 157.9, "lat_dir": "S", "lon_dir": "E", "altitude_km": 56.3, "velocity_kms": null, "vx": null, "vy": null, "vz": null, "calculated_diameter_m": 1.18, "slug": "20250621205514", "energy_comparison": { "best_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "ratio": 0.006666666666666667, "text": "0.00667 times the size of a Hiroshima equivalent", "smaller_item": { "id": "lightning-bolt", "label": "lightning bolt", "plural": "lightning bolts", "value": 0.00024, "unit": "kt", "rank": 2, "svgId": "energy-lightning", "citation": "National Weather Service / NOAA average lightning flash energy (~1 gigajoule = 0.000239 kt TNT)." }, "smaller_ratio": 416.6666666666667, "larger_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "larger_ratio": 0.006666666666666667 }, "size_comparison": { "best_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "ratio": 0.6941176470588235, "text": "0.694 times the size of a adult human", "smaller_item": { "id": "house-cat", "label": "house cat", "plural": "house cats", "value": 0.45, "unit": "m", "rank": 20, "svgId": "silhouette-cat", "citation": "Standard domestic cat average nose-to-tail base length, Wilson & Reeder Mammal Species of the World." }, "smaller_ratio": 2.6222222222222222, "larger_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "larger_ratio": 0.6941176470588235 }, "speed_comparison": null, "key_facts": [ "On 2025-06-21 20:55:14 UTC, a bright bolide meteor was detected in Earth atmosphere.", "Calculated impact energy was 0.1 kilotons of TNT, which is 0.00667 times the size of a Hiroshima equivalent.", "Peak brightness occurred at an altitude of 56.3 km.", "Estimated pre-atmospheric impactor diameter was 1.18 meters." ] }, { "date_utc": "2025-05-31 23:06:33", "date_str": "2025-05-31 23:06:33", "impact_energy_kt": 1, "total_radiated_energy_j": 386000000000, "lat": 21.1, "lon": -98.8, "lat_dir": "N", "lon_dir": "W", "altitude_km": 47.3, "velocity_kms": 17.8, "vx": null, "vy": null, "vz": null, "calculated_diameter_m": 2.56, "slug": "20250531230633", "energy_comparison": { "best_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "ratio": 0.06666666666666667, "text": "0.0667 times the size of a Hiroshima equivalent", "smaller_item": { "id": "lightning-bolt", "label": "lightning bolt", "plural": "lightning bolts", "value": 0.00024, "unit": "kt", "rank": 2, "svgId": "energy-lightning", "citation": "National Weather Service / NOAA average lightning flash energy (~1 gigajoule = 0.000239 kt TNT)." }, "smaller_ratio": 4166.666666666667, "larger_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "larger_ratio": 0.06666666666666667 }, "size_comparison": { "best_item": { "id": "family-car", "label": "family car", "plural": "family cars", "value": 4.5, "unit": "m", "rank": 6, "svgId": "silhouette-car", "citation": "ISO standard passenger vehicle average overall bumper-to-bumper length." }, "ratio": 0.5688888888888889, "text": "0.569 times the size of a family car", "smaller_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "smaller_ratio": 1.5058823529411764, "larger_item": { "id": "family-car", "label": "family car", "plural": "family cars", "value": 4.5, "unit": "m", "rank": 6, "svgId": "silhouette-car", "citation": "ISO standard passenger vehicle average overall bumper-to-bumper length." }, "larger_ratio": 0.5688888888888889 }, "speed_comparison": { "best_item": { "id": "iss-speed", "label": "ISS orbital velocity", "plural": "ISS orbital speeds", "value": 7.66, "unit": "km/s", "rank": 1, "svgId": "speed-iss", "citation": "NASA International Space Station average orbital speed in low Earth orbit." }, "ratio": 2.3237597911227152, "text": "about 2.5 ISS orbital speeds", "smaller_item": { "id": "earth-escape", "label": "Earth escape velocity", "plural": "Earth escape speeds", "value": 11.2, "unit": "km/s", "rank": 5, "svgId": "speed-escape", "citation": "Planetary escape velocity from Earth surface." }, "smaller_ratio": 1.5892857142857144, "larger_item": { "id": "earth-orbit-speed", "label": "Earth orbital speed", "plural": "Earth orbital speeds", "value": 29.8, "unit": "km/s", "rank": 6, "svgId": "speed-earth-orbit", "citation": "NASA JPL mean orbital speed of Earth around the Sun." }, "larger_ratio": 0.5973154362416108 }, "key_facts": [ "On 2025-05-31 23:06:33 UTC, a bright bolide meteor was detected in Earth atmosphere.", "Calculated impact energy was 1 kilotons of TNT, which is 0.0667 times the size of a Hiroshima equivalent.", "Peak brightness occurred at an altitude of 47.3 km.", "Atmospheric entry velocity was 17.8 km/s.", "Estimated pre-atmospheric impactor diameter was 2.56 meters." ] }, { "date_utc": "2025-04-28 15:01:15", "date_str": "2025-04-28 15:01:15", "impact_energy_kt": 0.12, "total_radiated_energy_j": 34000000000, "lat": -45.1, "lon": 67.3, "lat_dir": "S", "lon_dir": "E", "altitude_km": 31.4, "velocity_kms": null, "vx": null, "vy": null, "vz": null, "calculated_diameter_m": 1.25, "slug": "20250428150115", "energy_comparison": { "best_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "ratio": 0.008, "text": "0.008 times the size of a Hiroshima equivalent", "smaller_item": { "id": "lightning-bolt", "label": "lightning bolt", "plural": "lightning bolts", "value": 0.00024, "unit": "kt", "rank": 2, "svgId": "energy-lightning", "citation": "National Weather Service / NOAA average lightning flash energy (~1 gigajoule = 0.000239 kt TNT)." }, "smaller_ratio": 499.99999999999994, "larger_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "larger_ratio": 0.008 }, "size_comparison": { "best_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "ratio": 0.7352941176470589, "text": "0.735 times the size of a adult human", "smaller_item": { "id": "house-cat", "label": "house cat", "plural": "house cats", "value": 0.45, "unit": "m", "rank": 20, "svgId": "silhouette-cat", "citation": "Standard domestic cat average nose-to-tail base length, Wilson & Reeder Mammal Species of the World." }, "smaller_ratio": 2.7777777777777777, "larger_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "larger_ratio": 0.7352941176470589 }, "speed_comparison": null, "key_facts": [ "On 2025-04-28 15:01:15 UTC, a bright bolide meteor was detected in Earth atmosphere.", "Calculated impact energy was 0.12 kilotons of TNT, which is 0.008 times the size of a Hiroshima equivalent.", "Peak brightness occurred at an altitude of 31.4 km.", "Estimated pre-atmospheric impactor diameter was 1.25 meters." ] }, { "date_utc": "2025-04-21 09:27:34", "date_str": "2025-04-21 09:27:34", "impact_energy_kt": 0.082, "total_radiated_energy_j": 23000000000, "lat": -29.1, "lon": 151.6, "lat_dir": "S", "lon_dir": "E", "altitude_km": 41, "velocity_kms": null, "vx": null, "vy": null, "vz": null, "calculated_diameter_m": 1.1, "slug": "20250421092734", "energy_comparison": { "best_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "ratio": 0.0054666666666666665, "text": "0.00547 times the size of a Hiroshima equivalent", "smaller_item": { "id": "lightning-bolt", "label": "lightning bolt", "plural": "lightning bolts", "value": 0.00024, "unit": "kt", "rank": 2, "svgId": "energy-lightning", "citation": "National Weather Service / NOAA average lightning flash energy (~1 gigajoule = 0.000239 kt TNT)." }, "smaller_ratio": 341.6666666666667, "larger_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "larger_ratio": 0.0054666666666666665 }, "size_comparison": { "best_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "ratio": 0.6470588235294118, "text": "0.647 times the size of a adult human", "smaller_item": { "id": "house-cat", "label": "house cat", "plural": "house cats", "value": 0.45, "unit": "m", "rank": 20, "svgId": "silhouette-cat", "citation": "Standard domestic cat average nose-to-tail base length, Wilson & Reeder Mammal Species of the World." }, "smaller_ratio": 2.4444444444444446, "larger_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "larger_ratio": 0.6470588235294118 }, "speed_comparison": null, "key_facts": [ "On 2025-04-21 09:27:34 UTC, a bright bolide meteor was detected in Earth atmosphere.", "Calculated impact energy was 0.082 kilotons of TNT, which is 0.00547 times the size of a Hiroshima equivalent.", "Peak brightness occurred at an altitude of 41 km.", "Estimated pre-atmospheric impactor diameter was 1.1 meters." ] }, { "date_utc": "2025-04-08 14:16:48", "date_str": "2025-04-08 14:16:48", "impact_energy_kt": 0.076, "total_radiated_energy_j": 21000000000, "lat": -32.2, "lon": 10.4, "lat_dir": "S", "lon_dir": "E", "altitude_km": 44.9, "velocity_kms": 22.6, "vx": null, "vy": null, "vz": null, "calculated_diameter_m": 0.93, "slug": "20250408141648", "energy_comparison": { "best_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "ratio": 0.005066666666666666, "text": "0.00507 times the size of a Hiroshima equivalent", "smaller_item": { "id": "lightning-bolt", "label": "lightning bolt", "plural": "lightning bolts", "value": 0.00024, "unit": "kt", "rank": 2, "svgId": "energy-lightning", "citation": "National Weather Service / NOAA average lightning flash energy (~1 gigajoule = 0.000239 kt TNT)." }, "smaller_ratio": 316.66666666666663, "larger_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "larger_ratio": 0.005066666666666666 }, "size_comparison": { "best_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "ratio": 0.5470588235294118, "text": "0.547 times the size of a adult human", "smaller_item": { "id": "house-cat", "label": "house cat", "plural": "house cats", "value": 0.45, "unit": "m", "rank": 20, "svgId": "silhouette-cat", "citation": "Standard domestic cat average nose-to-tail base length, Wilson & Reeder Mammal Species of the World." }, "smaller_ratio": 2.066666666666667, "larger_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "larger_ratio": 0.5470588235294118 }, "speed_comparison": { "best_item": { "id": "earth-escape", "label": "Earth escape velocity", "plural": "Earth escape speeds", "value": 11.2, "unit": "km/s", "rank": 5, "svgId": "speed-escape", "citation": "Planetary escape velocity from Earth surface." }, "ratio": 2.0178571428571432, "text": "about 2 Earth escape speeds", "smaller_item": { "id": "earth-escape", "label": "Earth escape velocity", "plural": "Earth escape speeds", "value": 11.2, "unit": "km/s", "rank": 5, "svgId": "speed-escape", "citation": "Planetary escape velocity from Earth surface." }, "smaller_ratio": 2.0178571428571432, "larger_item": { "id": "earth-orbit-speed", "label": "Earth orbital speed", "plural": "Earth orbital speeds", "value": 29.8, "unit": "km/s", "rank": 6, "svgId": "speed-earth-orbit", "citation": "NASA JPL mean orbital speed of Earth around the Sun." }, "larger_ratio": 0.7583892617449665 }, "key_facts": [ "On 2025-04-08 14:16:48 UTC, a bright bolide meteor was detected in Earth atmosphere.", "Calculated impact energy was 0.076 kilotons of TNT, which is 0.00507 times the size of a Hiroshima equivalent.", "Peak brightness occurred at an altitude of 44.9 km.", "Atmospheric entry velocity was 22.6 km/s.", "Estimated pre-atmospheric impactor diameter was 0.93 meters." ] }, { "date_utc": "2025-03-29 08:12:43", "date_str": "2025-03-29 08:12:43", "impact_energy_kt": 0.19, "total_radiated_energy_j": 59000000000, "lat": -49.3, "lon": 14.3, "lat_dir": "S", "lon_dir": "E", "altitude_km": 21.6, "velocity_kms": 12.3, "vx": null, "vy": null, "vz": null, "calculated_diameter_m": 1.88, "slug": "20250329081243", "energy_comparison": { "best_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "ratio": 0.012666666666666666, "text": "0.0127 times the size of a Hiroshima equivalent", "smaller_item": { "id": "lightning-bolt", "label": "lightning bolt", "plural": "lightning bolts", "value": 0.00024, "unit": "kt", "rank": 2, "svgId": "energy-lightning", "citation": "National Weather Service / NOAA average lightning flash energy (~1 gigajoule = 0.000239 kt TNT)." }, "smaller_ratio": 791.6666666666666, "larger_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "larger_ratio": 0.012666666666666666 }, "size_comparison": { "best_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "ratio": 1.1058823529411765, "text": "about the size of a adult human", "smaller_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "smaller_ratio": 1.1058823529411765, "larger_item": { "id": "family-car", "label": "family car", "plural": "family cars", "value": 4.5, "unit": "m", "rank": 6, "svgId": "silhouette-car", "citation": "ISO standard passenger vehicle average overall bumper-to-bumper length." }, "larger_ratio": 0.41777777777777775 }, "speed_comparison": { "best_item": { "id": "iss-speed", "label": "ISS orbital velocity", "plural": "ISS orbital speeds", "value": 7.66, "unit": "km/s", "rank": 1, "svgId": "speed-iss", "citation": "NASA International Space Station average orbital speed in low Earth orbit." }, "ratio": 1.605744125326371, "text": "about one and a half ISS orbital speeds", "smaller_item": { "id": "earth-escape", "label": "Earth escape velocity", "plural": "Earth escape speeds", "value": 11.2, "unit": "km/s", "rank": 5, "svgId": "speed-escape", "citation": "Planetary escape velocity from Earth surface." }, "smaller_ratio": 1.0982142857142858, "larger_item": { "id": "earth-orbit-speed", "label": "Earth orbital speed", "plural": "Earth orbital speeds", "value": 29.8, "unit": "km/s", "rank": 6, "svgId": "speed-earth-orbit", "citation": "NASA JPL mean orbital speed of Earth around the Sun." }, "larger_ratio": 0.412751677852349 }, "key_facts": [ "On 2025-03-29 08:12:43 UTC, a bright bolide meteor was detected in Earth atmosphere.", "Calculated impact energy was 0.19 kilotons of TNT, which is 0.0127 times the size of a Hiroshima equivalent.", "Peak brightness occurred at an altitude of 21.6 km.", "Atmospheric entry velocity was 12.3 km/s.", "Estimated pre-atmospheric impactor diameter was 1.88 meters." ] }, { "date_utc": "2025-03-27 16:05:23", "date_str": "2025-03-27 16:05:23", "impact_energy_kt": 2.4, "total_radiated_energy_j": 1045000000000, "lat": 14.3, "lon": -111.5, "lat_dir": "N", "lon_dir": "W", "altitude_km": 38.1, "velocity_kms": 21.3, "vx": null, "vy": null, "vz": null, "calculated_diameter_m": 3.04, "slug": "20250327160523", "energy_comparison": { "best_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "ratio": 0.16, "text": "0.16 times the size of a Hiroshima equivalent", "smaller_item": { "id": "lightning-bolt", "label": "lightning bolt", "plural": "lightning bolts", "value": 0.00024, "unit": "kt", "rank": 2, "svgId": "energy-lightning", "citation": "National Weather Service / NOAA average lightning flash energy (~1 gigajoule = 0.000239 kt TNT)." }, "smaller_ratio": 10000, "larger_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "larger_ratio": 0.16 }, "size_comparison": { "best_item": { "id": "family-car", "label": "family car", "plural": "family cars", "value": 4.5, "unit": "m", "rank": 6, "svgId": "silhouette-car", "citation": "ISO standard passenger vehicle average overall bumper-to-bumper length." }, "ratio": 0.6755555555555556, "text": "0.676 times the size of a family car", "smaller_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "smaller_ratio": 1.7882352941176471, "larger_item": { "id": "family-car", "label": "family car", "plural": "family cars", "value": 4.5, "unit": "m", "rank": 6, "svgId": "silhouette-car", "citation": "ISO standard passenger vehicle average overall bumper-to-bumper length." }, "larger_ratio": 0.6755555555555556 }, "speed_comparison": { "best_item": { "id": "earth-escape", "label": "Earth escape velocity", "plural": "Earth escape speeds", "value": 11.2, "unit": "km/s", "rank": 5, "svgId": "speed-escape", "citation": "Planetary escape velocity from Earth surface." }, "ratio": 1.9017857142857144, "text": "about 2 Earth escape speeds", "smaller_item": { "id": "earth-escape", "label": "Earth escape velocity", "plural": "Earth escape speeds", "value": 11.2, "unit": "km/s", "rank": 5, "svgId": "speed-escape", "citation": "Planetary escape velocity from Earth surface." }, "smaller_ratio": 1.9017857142857144, "larger_item": { "id": "earth-orbit-speed", "label": "Earth orbital speed", "plural": "Earth orbital speeds", "value": 29.8, "unit": "km/s", "rank": 6, "svgId": "speed-earth-orbit", "citation": "NASA JPL mean orbital speed of Earth around the Sun." }, "larger_ratio": 0.714765100671141 }, "key_facts": [ "On 2025-03-27 16:05:23 UTC, a bright bolide meteor was detected in Earth atmosphere.", "Calculated impact energy was 2.4 kilotons of TNT, which is 0.16 times the size of a Hiroshima equivalent.", "Peak brightness occurred at an altitude of 38.1 km.", "Atmospheric entry velocity was 21.3 km/s.", "Estimated pre-atmospheric impactor diameter was 3.04 meters." ] }, { "date_utc": "2025-03-24 05:51:43", "date_str": "2025-03-24 05:51:43", "impact_energy_kt": 0.16, "total_radiated_energy_j": 49000000000, "lat": -70.4, "lon": 114.2, "lat_dir": "S", "lon_dir": "E", "altitude_km": 21.5, "velocity_kms": 28.2, "vx": null, "vy": null, "vz": null, "calculated_diameter_m": 1.02, "slug": "20250324055143", "energy_comparison": { "best_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "ratio": 0.010666666666666666, "text": "0.0107 times the size of a Hiroshima equivalent", "smaller_item": { "id": "lightning-bolt", "label": "lightning bolt", "plural": "lightning bolts", "value": 0.00024, "unit": "kt", "rank": 2, "svgId": "energy-lightning", "citation": "National Weather Service / NOAA average lightning flash energy (~1 gigajoule = 0.000239 kt TNT)." }, "smaller_ratio": 666.6666666666666, "larger_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "larger_ratio": 0.010666666666666666 }, "size_comparison": { "best_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "ratio": 0.6, "text": "0.6 times the size of a adult human", "smaller_item": { "id": "house-cat", "label": "house cat", "plural": "house cats", "value": 0.45, "unit": "m", "rank": 20, "svgId": "silhouette-cat", "citation": "Standard domestic cat average nose-to-tail base length, Wilson & Reeder Mammal Species of the World." }, "smaller_ratio": 2.2666666666666666, "larger_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "larger_ratio": 0.6 }, "speed_comparison": { "best_item": { "id": "iss-speed", "label": "ISS orbital velocity", "plural": "ISS orbital speeds", "value": 7.66, "unit": "km/s", "rank": 1, "svgId": "speed-iss", "citation": "NASA International Space Station average orbital speed in low Earth orbit." }, "ratio": 3.681462140992167, "text": "about 4 ISS orbital speeds", "smaller_item": { "id": "earth-escape", "label": "Earth escape velocity", "plural": "Earth escape speeds", "value": 11.2, "unit": "km/s", "rank": 5, "svgId": "speed-escape", "citation": "Planetary escape velocity from Earth surface." }, "smaller_ratio": 2.517857142857143, "larger_item": { "id": "earth-orbit-speed", "label": "Earth orbital speed", "plural": "Earth orbital speeds", "value": 29.8, "unit": "km/s", "rank": 6, "svgId": "speed-earth-orbit", "citation": "NASA JPL mean orbital speed of Earth around the Sun." }, "larger_ratio": 0.9463087248322147 }, "key_facts": [ "On 2025-03-24 05:51:43 UTC, a bright bolide meteor was detected in Earth atmosphere.", "Calculated impact energy was 0.16 kilotons of TNT, which is 0.0107 times the size of a Hiroshima equivalent.", "Peak brightness occurred at an altitude of 21.5 km.", "Atmospheric entry velocity was 28.2 km/s.", "Estimated pre-atmospheric impactor diameter was 1.02 meters." ] }, { "date_utc": "2025-03-21 05:06:26", "date_str": "2025-03-21 05:06:26", "impact_energy_kt": 0.13, "total_radiated_energy_j": 39000000000, "lat": -22.8, "lon": 123.5, "lat_dir": "S", "lon_dir": "E", "altitude_km": 54.2, "velocity_kms": null, "vx": null, "vy": null, "vz": null, "calculated_diameter_m": 1.29, "slug": "20250321050626", "energy_comparison": { "best_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "ratio": 0.008666666666666666, "text": "0.00867 times the size of a Hiroshima equivalent", "smaller_item": { "id": "lightning-bolt", "label": "lightning bolt", "plural": "lightning bolts", "value": 0.00024, "unit": "kt", "rank": 2, "svgId": "energy-lightning", "citation": "National Weather Service / NOAA average lightning flash energy (~1 gigajoule = 0.000239 kt TNT)." }, "smaller_ratio": 541.6666666666666, "larger_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "larger_ratio": 0.008666666666666666 }, "size_comparison": { "best_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "ratio": 0.7588235294117648, "text": "0.759 times the size of a adult human", "smaller_item": { "id": "house-cat", "label": "house cat", "plural": "house cats", "value": 0.45, "unit": "m", "rank": 20, "svgId": "silhouette-cat", "citation": "Standard domestic cat average nose-to-tail base length, Wilson & Reeder Mammal Species of the World." }, "smaller_ratio": 2.8666666666666667, "larger_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "larger_ratio": 0.7588235294117648 }, "speed_comparison": null, "key_facts": [ "On 2025-03-21 05:06:26 UTC, a bright bolide meteor was detected in Earth atmosphere.", "Calculated impact energy was 0.13 kilotons of TNT, which is 0.00867 times the size of a Hiroshima equivalent.", "Peak brightness occurred at an altitude of 54.2 km.", "Estimated pre-atmospheric impactor diameter was 1.29 meters." ] }, { "date_utc": "2025-03-18 17:48:32", "date_str": "2025-03-18 17:48:32", "impact_energy_kt": 0.33, "total_radiated_energy_j": 110000000000, "lat": -1.5, "lon": -30.4, "lat_dir": "S", "lon_dir": "W", "altitude_km": 27, "velocity_kms": 20.1, "vx": null, "vy": null, "vz": null, "calculated_diameter_m": 1.63, "slug": "20250318174832", "energy_comparison": { "best_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "ratio": 0.022000000000000002, "text": "0.022 times the size of a Hiroshima equivalent", "smaller_item": { "id": "lightning-bolt", "label": "lightning bolt", "plural": "lightning bolts", "value": 0.00024, "unit": "kt", "rank": 2, "svgId": "energy-lightning", "citation": "National Weather Service / NOAA average lightning flash energy (~1 gigajoule = 0.000239 kt TNT)." }, "smaller_ratio": 1375, "larger_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "larger_ratio": 0.022000000000000002 }, "size_comparison": { "best_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "ratio": 0.9588235294117646, "text": "about the size of a adult human", "smaller_item": { "id": "house-cat", "label": "house cat", "plural": "house cats", "value": 0.45, "unit": "m", "rank": 20, "svgId": "silhouette-cat", "citation": "Standard domestic cat average nose-to-tail base length, Wilson & Reeder Mammal Species of the World." }, "smaller_ratio": 3.622222222222222, "larger_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "larger_ratio": 0.9588235294117646 }, "speed_comparison": { "best_item": { "id": "iss-speed", "label": "ISS orbital velocity", "plural": "ISS orbital speeds", "value": 7.66, "unit": "km/s", "rank": 1, "svgId": "speed-iss", "citation": "NASA International Space Station average orbital speed in low Earth orbit." }, "ratio": 2.62402088772846, "text": "about 2.5 ISS orbital speeds", "smaller_item": { "id": "earth-escape", "label": "Earth escape velocity", "plural": "Earth escape speeds", "value": 11.2, "unit": "km/s", "rank": 5, "svgId": "speed-escape", "citation": "Planetary escape velocity from Earth surface." }, "smaller_ratio": 1.7946428571428574, "larger_item": { "id": "earth-orbit-speed", "label": "Earth orbital speed", "plural": "Earth orbital speeds", "value": 29.8, "unit": "km/s", "rank": 6, "svgId": "speed-earth-orbit", "citation": "NASA JPL mean orbital speed of Earth around the Sun." }, "larger_ratio": 0.6744966442953021 }, "key_facts": [ "On 2025-03-18 17:48:32 UTC, a bright bolide meteor was detected in Earth atmosphere.", "Calculated impact energy was 0.33 kilotons of TNT, which is 0.022 times the size of a Hiroshima equivalent.", "Peak brightness occurred at an altitude of 27 km.", "Atmospheric entry velocity was 20.1 km/s.", "Estimated pre-atmospheric impactor diameter was 1.63 meters." ] }, { "date_utc": "2025-03-13 09:46:51", "date_str": "2025-03-13 09:46:51", "impact_energy_kt": 1.8, "total_radiated_energy_j": 750000000000, "lat": -7.1, "lon": 75.9, "lat_dir": "S", "lon_dir": "E", "altitude_km": 38, "velocity_kms": 28.1, "vx": null, "vy": null, "vz": null, "calculated_diameter_m": 2.3, "slug": "20250313094651", "energy_comparison": { "best_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "ratio": 0.12000000000000001, "text": "0.12 times the size of a Hiroshima equivalent", "smaller_item": { "id": "lightning-bolt", "label": "lightning bolt", "plural": "lightning bolts", "value": 0.00024, "unit": "kt", "rank": 2, "svgId": "energy-lightning", "citation": "National Weather Service / NOAA average lightning flash energy (~1 gigajoule = 0.000239 kt TNT)." }, "smaller_ratio": 7500, "larger_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "larger_ratio": 0.12000000000000001 }, "size_comparison": { "best_item": { "id": "family-car", "label": "family car", "plural": "family cars", "value": 4.5, "unit": "m", "rank": 6, "svgId": "silhouette-car", "citation": "ISO standard passenger vehicle average overall bumper-to-bumper length." }, "ratio": 0.5111111111111111, "text": "0.511 times the size of a family car", "smaller_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "smaller_ratio": 1.352941176470588, "larger_item": { "id": "family-car", "label": "family car", "plural": "family cars", "value": 4.5, "unit": "m", "rank": 6, "svgId": "silhouette-car", "citation": "ISO standard passenger vehicle average overall bumper-to-bumper length." }, "larger_ratio": 0.5111111111111111 }, "speed_comparison": { "best_item": { "id": "iss-speed", "label": "ISS orbital velocity", "plural": "ISS orbital speeds", "value": 7.66, "unit": "km/s", "rank": 1, "svgId": "speed-iss", "citation": "NASA International Space Station average orbital speed in low Earth orbit." }, "ratio": 3.668407310704961, "text": "about 4 ISS orbital speeds", "smaller_item": { "id": "earth-escape", "label": "Earth escape velocity", "plural": "Earth escape speeds", "value": 11.2, "unit": "km/s", "rank": 5, "svgId": "speed-escape", "citation": "Planetary escape velocity from Earth surface." }, "smaller_ratio": 2.5089285714285716, "larger_item": { "id": "earth-orbit-speed", "label": "Earth orbital speed", "plural": "Earth orbital speeds", "value": 29.8, "unit": "km/s", "rank": 6, "svgId": "speed-earth-orbit", "citation": "NASA JPL mean orbital speed of Earth around the Sun." }, "larger_ratio": 0.9429530201342282 }, "key_facts": [ "On 2025-03-13 09:46:51 UTC, a bright bolide meteor was detected in Earth atmosphere.", "Calculated impact energy was 1.8 kilotons of TNT, which is 0.12 times the size of a Hiroshima equivalent.", "Peak brightness occurred at an altitude of 38 km.", "Atmospheric entry velocity was 28.1 km/s.", "Estimated pre-atmospheric impactor diameter was 2.3 meters." ] }, { "date_utc": "2025-02-22 10:26:08", "date_str": "2025-02-22 10:26:08", "impact_energy_kt": 0.18, "total_radiated_energy_j": 55000000000, "lat": 28.1, "lon": 120, "lat_dir": "N", "lon_dir": "E", "altitude_km": 46.7, "velocity_kms": 15, "vx": null, "vy": null, "vz": null, "calculated_diameter_m": 1.62, "slug": "20250222102608", "energy_comparison": { "best_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "ratio": 0.012, "text": "0.012 times the size of a Hiroshima equivalent", "smaller_item": { "id": "lightning-bolt", "label": "lightning bolt", "plural": "lightning bolts", "value": 0.00024, "unit": "kt", "rank": 2, "svgId": "energy-lightning", "citation": "National Weather Service / NOAA average lightning flash energy (~1 gigajoule = 0.000239 kt TNT)." }, "smaller_ratio": 750, "larger_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "larger_ratio": 0.012 }, "size_comparison": { "best_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "ratio": 0.9529411764705883, "text": "about the size of a adult human", "smaller_item": { "id": "house-cat", "label": "house cat", "plural": "house cats", "value": 0.45, "unit": "m", "rank": 20, "svgId": "silhouette-cat", "citation": "Standard domestic cat average nose-to-tail base length, Wilson & Reeder Mammal Species of the World." }, "smaller_ratio": 3.6, "larger_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "larger_ratio": 0.9529411764705883 }, "speed_comparison": { "best_item": { "id": "iss-speed", "label": "ISS orbital velocity", "plural": "ISS orbital speeds", "value": 7.66, "unit": "km/s", "rank": 1, "svgId": "speed-iss", "citation": "NASA International Space Station average orbital speed in low Earth orbit." }, "ratio": 1.95822454308094, "text": "about 2 ISS orbital speeds", "smaller_item": { "id": "earth-escape", "label": "Earth escape velocity", "plural": "Earth escape speeds", "value": 11.2, "unit": "km/s", "rank": 5, "svgId": "speed-escape", "citation": "Planetary escape velocity from Earth surface." }, "smaller_ratio": 1.3392857142857144, "larger_item": { "id": "earth-orbit-speed", "label": "Earth orbital speed", "plural": "Earth orbital speeds", "value": 29.8, "unit": "km/s", "rank": 6, "svgId": "speed-earth-orbit", "citation": "NASA JPL mean orbital speed of Earth around the Sun." }, "larger_ratio": 0.5033557046979865 }, "key_facts": [ "On 2025-02-22 10:26:08 UTC, a bright bolide meteor was detected in Earth atmosphere.", "Calculated impact energy was 0.18 kilotons of TNT, which is 0.012 times the size of a Hiroshima equivalent.", "Peak brightness occurred at an altitude of 46.7 km.", "Atmospheric entry velocity was 15 km/s.", "Estimated pre-atmospheric impactor diameter was 1.62 meters." ] }, { "date_utc": "2025-02-22 00:16:50", "date_str": "2025-02-22 00:16:50", "impact_energy_kt": 0.12, "total_radiated_energy_j": 35000000000, "lat": -6.9, "lon": 12.1, "lat_dir": "S", "lon_dir": "E", "altitude_km": 35, "velocity_kms": null, "vx": null, "vy": null, "vz": null, "calculated_diameter_m": 1.25, "slug": "20250222001650", "energy_comparison": { "best_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "ratio": 0.008, "text": "0.008 times the size of a Hiroshima equivalent", "smaller_item": { "id": "lightning-bolt", "label": "lightning bolt", "plural": "lightning bolts", "value": 0.00024, "unit": "kt", "rank": 2, "svgId": "energy-lightning", "citation": "National Weather Service / NOAA average lightning flash energy (~1 gigajoule = 0.000239 kt TNT)." }, "smaller_ratio": 499.99999999999994, "larger_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "larger_ratio": 0.008 }, "size_comparison": { "best_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "ratio": 0.7352941176470589, "text": "0.735 times the size of a adult human", "smaller_item": { "id": "house-cat", "label": "house cat", "plural": "house cats", "value": 0.45, "unit": "m", "rank": 20, "svgId": "silhouette-cat", "citation": "Standard domestic cat average nose-to-tail base length, Wilson & Reeder Mammal Species of the World." }, "smaller_ratio": 2.7777777777777777, "larger_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "larger_ratio": 0.7352941176470589 }, "speed_comparison": null, "key_facts": [ "On 2025-02-22 00:16:50 UTC, a bright bolide meteor was detected in Earth atmosphere.", "Calculated impact energy was 0.12 kilotons of TNT, which is 0.008 times the size of a Hiroshima equivalent.", "Peak brightness occurred at an altitude of 35 km.", "Estimated pre-atmospheric impactor diameter was 1.25 meters." ] }, { "date_utc": "2025-02-12 04:33:39", "date_str": "2025-02-12 04:33:39", "impact_energy_kt": 0.13, "total_radiated_energy_j": 40000000000, "lat": 73.4, "lon": 49.3, "lat_dir": "N", "lon_dir": "E", "altitude_km": 42, "velocity_kms": 21.9, "vx": null, "vy": null, "vz": null, "calculated_diameter_m": 1.13, "slug": "20250212043339", "energy_comparison": { "best_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "ratio": 0.008666666666666666, "text": "0.00867 times the size of a Hiroshima equivalent", "smaller_item": { "id": "lightning-bolt", "label": "lightning bolt", "plural": "lightning bolts", "value": 0.00024, "unit": "kt", "rank": 2, "svgId": "energy-lightning", "citation": "National Weather Service / NOAA average lightning flash energy (~1 gigajoule = 0.000239 kt TNT)." }, "smaller_ratio": 541.6666666666666, "larger_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "larger_ratio": 0.008666666666666666 }, "size_comparison": { "best_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "ratio": 0.6647058823529411, "text": "0.665 times the size of a adult human", "smaller_item": { "id": "house-cat", "label": "house cat", "plural": "house cats", "value": 0.45, "unit": "m", "rank": 20, "svgId": "silhouette-cat", "citation": "Standard domestic cat average nose-to-tail base length, Wilson & Reeder Mammal Species of the World." }, "smaller_ratio": 2.5111111111111106, "larger_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "larger_ratio": 0.6647058823529411 }, "speed_comparison": { "best_item": { "id": "earth-escape", "label": "Earth escape velocity", "plural": "Earth escape speeds", "value": 11.2, "unit": "km/s", "rank": 5, "svgId": "speed-escape", "citation": "Planetary escape velocity from Earth surface." }, "ratio": 1.9553571428571428, "text": "about 2 Earth escape speeds", "smaller_item": { "id": "earth-escape", "label": "Earth escape velocity", "plural": "Earth escape speeds", "value": 11.2, "unit": "km/s", "rank": 5, "svgId": "speed-escape", "citation": "Planetary escape velocity from Earth surface." }, "smaller_ratio": 1.9553571428571428, "larger_item": { "id": "earth-orbit-speed", "label": "Earth orbital speed", "plural": "Earth orbital speeds", "value": 29.8, "unit": "km/s", "rank": 6, "svgId": "speed-earth-orbit", "citation": "NASA JPL mean orbital speed of Earth around the Sun." }, "larger_ratio": 0.7348993288590603 }, "key_facts": [ "On 2025-02-12 04:33:39 UTC, a bright bolide meteor was detected in Earth atmosphere.", "Calculated impact energy was 0.13 kilotons of TNT, which is 0.00867 times the size of a Hiroshima equivalent.", "Peak brightness occurred at an altitude of 42 km.", "Atmospheric entry velocity was 21.9 km/s.", "Estimated pre-atmospheric impactor diameter was 1.13 meters." ] }, { "date_utc": "2025-02-07 17:25:57", "date_str": "2025-02-07 17:25:57", "impact_energy_kt": 0.086, "total_radiated_energy_j": 24000000000, "lat": 14.4, "lon": -58, "lat_dir": "N", "lon_dir": "W", "altitude_km": 50.8, "velocity_kms": 20.1, "vx": null, "vy": null, "vz": null, "calculated_diameter_m": 1.04, "slug": "20250207172557", "energy_comparison": { "best_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "ratio": 0.0057333333333333325, "text": "0.00573 times the size of a Hiroshima equivalent", "smaller_item": { "id": "lightning-bolt", "label": "lightning bolt", "plural": "lightning bolts", "value": 0.00024, "unit": "kt", "rank": 2, "svgId": "energy-lightning", "citation": "National Weather Service / NOAA average lightning flash energy (~1 gigajoule = 0.000239 kt TNT)." }, "smaller_ratio": 358.3333333333333, "larger_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "larger_ratio": 0.0057333333333333325 }, "size_comparison": { "best_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "ratio": 0.611764705882353, "text": "0.612 times the size of a adult human", "smaller_item": { "id": "house-cat", "label": "house cat", "plural": "house cats", "value": 0.45, "unit": "m", "rank": 20, "svgId": "silhouette-cat", "citation": "Standard domestic cat average nose-to-tail base length, Wilson & Reeder Mammal Species of the World." }, "smaller_ratio": 2.3111111111111113, "larger_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "larger_ratio": 0.611764705882353 }, "speed_comparison": { "best_item": { "id": "iss-speed", "label": "ISS orbital velocity", "plural": "ISS orbital speeds", "value": 7.66, "unit": "km/s", "rank": 1, "svgId": "speed-iss", "citation": "NASA International Space Station average orbital speed in low Earth orbit." }, "ratio": 2.62402088772846, "text": "about 2.5 ISS orbital speeds", "smaller_item": { "id": "earth-escape", "label": "Earth escape velocity", "plural": "Earth escape speeds", "value": 11.2, "unit": "km/s", "rank": 5, "svgId": "speed-escape", "citation": "Planetary escape velocity from Earth surface." }, "smaller_ratio": 1.7946428571428574, "larger_item": { "id": "earth-orbit-speed", "label": "Earth orbital speed", "plural": "Earth orbital speeds", "value": 29.8, "unit": "km/s", "rank": 6, "svgId": "speed-earth-orbit", "citation": "NASA JPL mean orbital speed of Earth around the Sun." }, "larger_ratio": 0.6744966442953021 }, "key_facts": [ "On 2025-02-07 17:25:57 UTC, a bright bolide meteor was detected in Earth atmosphere.", "Calculated impact energy was 0.086 kilotons of TNT, which is 0.00573 times the size of a Hiroshima equivalent.", "Peak brightness occurred at an altitude of 50.8 km.", "Atmospheric entry velocity was 20.1 km/s.", "Estimated pre-atmospheric impactor diameter was 1.04 meters." ] }, { "date_utc": "2025-02-06 17:52:54", "date_str": "2025-02-06 17:52:54", "impact_energy_kt": 0.073, "total_radiated_energy_j": 20000000000, "lat": -1.7, "lon": 130, "lat_dir": "S", "lon_dir": "E", "altitude_km": 36.2, "velocity_kms": 17.4, "vx": null, "vy": null, "vz": null, "calculated_diameter_m": 1.09, "slug": "20250206175254", "energy_comparison": { "best_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "ratio": 0.004866666666666667, "text": "0.00487 times the size of a Hiroshima equivalent", "smaller_item": { "id": "lightning-bolt", "label": "lightning bolt", "plural": "lightning bolts", "value": 0.00024, "unit": "kt", "rank": 2, "svgId": "energy-lightning", "citation": "National Weather Service / NOAA average lightning flash energy (~1 gigajoule = 0.000239 kt TNT)." }, "smaller_ratio": 304.16666666666663, "larger_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "larger_ratio": 0.004866666666666667 }, "size_comparison": { "best_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "ratio": 0.6411764705882353, "text": "0.641 times the size of a adult human", "smaller_item": { "id": "house-cat", "label": "house cat", "plural": "house cats", "value": 0.45, "unit": "m", "rank": 20, "svgId": "silhouette-cat", "citation": "Standard domestic cat average nose-to-tail base length, Wilson & Reeder Mammal Species of the World." }, "smaller_ratio": 2.4222222222222225, "larger_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "larger_ratio": 0.6411764705882353 }, "speed_comparison": { "best_item": { "id": "iss-speed", "label": "ISS orbital velocity", "plural": "ISS orbital speeds", "value": 7.66, "unit": "km/s", "rank": 1, "svgId": "speed-iss", "citation": "NASA International Space Station average orbital speed in low Earth orbit." }, "ratio": 2.27154046997389, "text": "about 2.5 ISS orbital speeds", "smaller_item": { "id": "earth-escape", "label": "Earth escape velocity", "plural": "Earth escape speeds", "value": 11.2, "unit": "km/s", "rank": 5, "svgId": "speed-escape", "citation": "Planetary escape velocity from Earth surface." }, "smaller_ratio": 1.5535714285714286, "larger_item": { "id": "earth-orbit-speed", "label": "Earth orbital speed", "plural": "Earth orbital speeds", "value": 29.8, "unit": "km/s", "rank": 6, "svgId": "speed-earth-orbit", "citation": "NASA JPL mean orbital speed of Earth around the Sun." }, "larger_ratio": 0.5838926174496644 }, "key_facts": [ "On 2025-02-06 17:52:54 UTC, a bright bolide meteor was detected in Earth atmosphere.", "Calculated impact energy was 0.073 kilotons of TNT, which is 0.00487 times the size of a Hiroshima equivalent.", "Peak brightness occurred at an altitude of 36.2 km.", "Atmospheric entry velocity was 17.4 km/s.", "Estimated pre-atmospheric impactor diameter was 1.09 meters." ] }, { "date_utc": "2025-02-02 16:30:50", "date_str": "2025-02-02 16:30:50", "impact_energy_kt": 0.13, "total_radiated_energy_j": 40000000000, "lat": -17.7, "lon": 24.3, "lat_dir": "S", "lon_dir": "E", "altitude_km": 40, "velocity_kms": null, "vx": null, "vy": null, "vz": null, "calculated_diameter_m": 1.29, "slug": "20250202163050", "energy_comparison": { "best_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "ratio": 0.008666666666666666, "text": "0.00867 times the size of a Hiroshima equivalent", "smaller_item": { "id": "lightning-bolt", "label": "lightning bolt", "plural": "lightning bolts", "value": 0.00024, "unit": "kt", "rank": 2, "svgId": "energy-lightning", "citation": "National Weather Service / NOAA average lightning flash energy (~1 gigajoule = 0.000239 kt TNT)." }, "smaller_ratio": 541.6666666666666, "larger_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "larger_ratio": 0.008666666666666666 }, "size_comparison": { "best_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "ratio": 0.7588235294117648, "text": "0.759 times the size of a adult human", "smaller_item": { "id": "house-cat", "label": "house cat", "plural": "house cats", "value": 0.45, "unit": "m", "rank": 20, "svgId": "silhouette-cat", "citation": "Standard domestic cat average nose-to-tail base length, Wilson & Reeder Mammal Species of the World." }, "smaller_ratio": 2.8666666666666667, "larger_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "larger_ratio": 0.7588235294117648 }, "speed_comparison": null, "key_facts": [ "On 2025-02-02 16:30:50 UTC, a bright bolide meteor was detected in Earth atmosphere.", "Calculated impact energy was 0.13 kilotons of TNT, which is 0.00867 times the size of a Hiroshima equivalent.", "Peak brightness occurred at an altitude of 40 km.", "Estimated pre-atmospheric impactor diameter was 1.29 meters." ] }, { "date_utc": "2025-01-11 14:46:00", "date_str": "2025-01-11 14:46:00", "impact_energy_kt": 0.1, "total_radiated_energy_j": 29000000000, "lat": -1.2, "lon": 55.3, "lat_dir": "S", "lon_dir": "E", "altitude_km": 61, "velocity_kms": 13.2, "vx": null, "vy": null, "vz": null, "calculated_diameter_m": 1.45, "slug": "20250111144600", "energy_comparison": { "best_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "ratio": 0.006666666666666667, "text": "0.00667 times the size of a Hiroshima equivalent", "smaller_item": { "id": "lightning-bolt", "label": "lightning bolt", "plural": "lightning bolts", "value": 0.00024, "unit": "kt", "rank": 2, "svgId": "energy-lightning", "citation": "National Weather Service / NOAA average lightning flash energy (~1 gigajoule = 0.000239 kt TNT)." }, "smaller_ratio": 416.6666666666667, "larger_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "larger_ratio": 0.006666666666666667 }, "size_comparison": { "best_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "ratio": 0.8529411764705882, "text": "about the size of a adult human", "smaller_item": { "id": "house-cat", "label": "house cat", "plural": "house cats", "value": 0.45, "unit": "m", "rank": 20, "svgId": "silhouette-cat", "citation": "Standard domestic cat average nose-to-tail base length, Wilson & Reeder Mammal Species of the World." }, "smaller_ratio": 3.222222222222222, "larger_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "larger_ratio": 0.8529411764705882 }, "speed_comparison": { "best_item": { "id": "iss-speed", "label": "ISS orbital velocity", "plural": "ISS orbital speeds", "value": 7.66, "unit": "km/s", "rank": 1, "svgId": "speed-iss", "citation": "NASA International Space Station average orbital speed in low Earth orbit." }, "ratio": 1.723237597911227, "text": "about one and a half ISS orbital speeds", "smaller_item": { "id": "earth-escape", "label": "Earth escape velocity", "plural": "Earth escape speeds", "value": 11.2, "unit": "km/s", "rank": 5, "svgId": "speed-escape", "citation": "Planetary escape velocity from Earth surface." }, "smaller_ratio": 1.1785714285714286, "larger_item": { "id": "earth-orbit-speed", "label": "Earth orbital speed", "plural": "Earth orbital speeds", "value": 29.8, "unit": "km/s", "rank": 6, "svgId": "speed-earth-orbit", "citation": "NASA JPL mean orbital speed of Earth around the Sun." }, "larger_ratio": 0.44295302013422816 }, "key_facts": [ "On 2025-01-11 14:46:00 UTC, a bright bolide meteor was detected in Earth atmosphere.", "Calculated impact energy was 0.1 kilotons of TNT, which is 0.00667 times the size of a Hiroshima equivalent.", "Peak brightness occurred at an altitude of 61 km.", "Atmospheric entry velocity was 13.2 km/s.", "Estimated pre-atmospheric impactor diameter was 1.45 meters." ] }, { "date_utc": "2025-01-10 21:11:07", "date_str": "2025-01-10 21:11:07", "impact_energy_kt": 0.095, "total_radiated_energy_j": 27000000000, "lat": 47.2, "lon": 106.3, "lat_dir": "N", "lon_dir": "E", "altitude_km": 34.6, "velocity_kms": 14, "vx": null, "vy": null, "vz": null, "calculated_diameter_m": 1.37, "slug": "20250110211107", "energy_comparison": { "best_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "ratio": 0.006333333333333333, "text": "0.00633 times the size of a Hiroshima equivalent", "smaller_item": { "id": "lightning-bolt", "label": "lightning bolt", "plural": "lightning bolts", "value": 0.00024, "unit": "kt", "rank": 2, "svgId": "energy-lightning", "citation": "National Weather Service / NOAA average lightning flash energy (~1 gigajoule = 0.000239 kt TNT)." }, "smaller_ratio": 395.8333333333333, "larger_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "larger_ratio": 0.006333333333333333 }, "size_comparison": { "best_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "ratio": 0.8058823529411766, "text": "0.806 times the size of a adult human", "smaller_item": { "id": "house-cat", "label": "house cat", "plural": "house cats", "value": 0.45, "unit": "m", "rank": 20, "svgId": "silhouette-cat", "citation": "Standard domestic cat average nose-to-tail base length, Wilson & Reeder Mammal Species of the World." }, "smaller_ratio": 3.0444444444444447, "larger_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "larger_ratio": 0.8058823529411766 }, "speed_comparison": { "best_item": { "id": "iss-speed", "label": "ISS orbital velocity", "plural": "ISS orbital speeds", "value": 7.66, "unit": "km/s", "rank": 1, "svgId": "speed-iss", "citation": "NASA International Space Station average orbital speed in low Earth orbit." }, "ratio": 1.8276762402088773, "text": "about one and a half ISS orbital speeds", "smaller_item": { "id": "earth-escape", "label": "Earth escape velocity", "plural": "Earth escape speeds", "value": 11.2, "unit": "km/s", "rank": 5, "svgId": "speed-escape", "citation": "Planetary escape velocity from Earth surface." }, "smaller_ratio": 1.25, "larger_item": { "id": "earth-orbit-speed", "label": "Earth orbital speed", "plural": "Earth orbital speeds", "value": 29.8, "unit": "km/s", "rank": 6, "svgId": "speed-earth-orbit", "citation": "NASA JPL mean orbital speed of Earth around the Sun." }, "larger_ratio": 0.4697986577181208 }, "key_facts": [ "On 2025-01-10 21:11:07 UTC, a bright bolide meteor was detected in Earth atmosphere.", "Calculated impact energy was 0.095 kilotons of TNT, which is 0.00633 times the size of a Hiroshima equivalent.", "Peak brightness occurred at an altitude of 34.6 km.", "Atmospheric entry velocity was 14 km/s.", "Estimated pre-atmospheric impactor diameter was 1.37 meters." ] }, { "date_utc": "2024-12-28 04:45:12", "date_str": "2024-12-28 04:45:12", "impact_energy_kt": 0.11, "total_radiated_energy_j": 31000000000, "lat": 57.7, "lon": -168.1, "lat_dir": "N", "lon_dir": "W", "altitude_km": 33.7, "velocity_kms": 17, "vx": null, "vy": null, "vz": null, "calculated_diameter_m": 1.27, "slug": "20241228044512", "energy_comparison": { "best_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "ratio": 0.007333333333333333, "text": "0.00733 times the size of a Hiroshima equivalent", "smaller_item": { "id": "lightning-bolt", "label": "lightning bolt", "plural": "lightning bolts", "value": 0.00024, "unit": "kt", "rank": 2, "svgId": "energy-lightning", "citation": "National Weather Service / NOAA average lightning flash energy (~1 gigajoule = 0.000239 kt TNT)." }, "smaller_ratio": 458.3333333333333, "larger_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "larger_ratio": 0.007333333333333333 }, "size_comparison": { "best_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "ratio": 0.7470588235294118, "text": "0.747 times the size of a adult human", "smaller_item": { "id": "house-cat", "label": "house cat", "plural": "house cats", "value": 0.45, "unit": "m", "rank": 20, "svgId": "silhouette-cat", "citation": "Standard domestic cat average nose-to-tail base length, Wilson & Reeder Mammal Species of the World." }, "smaller_ratio": 2.8222222222222224, "larger_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "larger_ratio": 0.7470588235294118 }, "speed_comparison": { "best_item": { "id": "iss-speed", "label": "ISS orbital velocity", "plural": "ISS orbital speeds", "value": 7.66, "unit": "km/s", "rank": 1, "svgId": "speed-iss", "citation": "NASA International Space Station average orbital speed in low Earth orbit." }, "ratio": 2.219321148825065, "text": "about 2.5 ISS orbital speeds", "smaller_item": { "id": "earth-escape", "label": "Earth escape velocity", "plural": "Earth escape speeds", "value": 11.2, "unit": "km/s", "rank": 5, "svgId": "speed-escape", "citation": "Planetary escape velocity from Earth surface." }, "smaller_ratio": 1.517857142857143, "larger_item": { "id": "earth-orbit-speed", "label": "Earth orbital speed", "plural": "Earth orbital speeds", "value": 29.8, "unit": "km/s", "rank": 6, "svgId": "speed-earth-orbit", "citation": "NASA JPL mean orbital speed of Earth around the Sun." }, "larger_ratio": 0.5704697986577181 }, "key_facts": [ "On 2024-12-28 04:45:12 UTC, a bright bolide meteor was detected in Earth atmosphere.", "Calculated impact energy was 0.11 kilotons of TNT, which is 0.00733 times the size of a Hiroshima equivalent.", "Peak brightness occurred at an altitude of 33.7 km.", "Atmospheric entry velocity was 17 km/s.", "Estimated pre-atmospheric impactor diameter was 1.27 meters." ] }, { "date_utc": "2024-12-20 17:52:01", "date_str": "2024-12-20 17:52:01", "impact_energy_kt": 3.4, "total_radiated_energy_j": 1542000000000, "lat": 14.3, "lon": -98.1, "lat_dir": "N", "lon_dir": "W", "altitude_km": 32.6, "velocity_kms": 21.1, "vx": null, "vy": null, "vz": null, "calculated_diameter_m": 3.44, "slug": "20241220175201", "energy_comparison": { "best_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "ratio": 0.22666666666666666, "text": "0.227 times the size of a Hiroshima equivalent", "smaller_item": { "id": "lightning-bolt", "label": "lightning bolt", "plural": "lightning bolts", "value": 0.00024, "unit": "kt", "rank": 2, "svgId": "energy-lightning", "citation": "National Weather Service / NOAA average lightning flash energy (~1 gigajoule = 0.000239 kt TNT)." }, "smaller_ratio": 14166.666666666666, "larger_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "larger_ratio": 0.22666666666666666 }, "size_comparison": { "best_item": { "id": "family-car", "label": "family car", "plural": "family cars", "value": 4.5, "unit": "m", "rank": 6, "svgId": "silhouette-car", "citation": "ISO standard passenger vehicle average overall bumper-to-bumper length." }, "ratio": 0.7644444444444445, "text": "0.764 times the size of a family car", "smaller_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "smaller_ratio": 2.023529411764706, "larger_item": { "id": "family-car", "label": "family car", "plural": "family cars", "value": 4.5, "unit": "m", "rank": 6, "svgId": "silhouette-car", "citation": "ISO standard passenger vehicle average overall bumper-to-bumper length." }, "larger_ratio": 0.7644444444444445 }, "speed_comparison": { "best_item": { "id": "earth-escape", "label": "Earth escape velocity", "plural": "Earth escape speeds", "value": 11.2, "unit": "km/s", "rank": 5, "svgId": "speed-escape", "citation": "Planetary escape velocity from Earth surface." }, "ratio": 1.8839285714285716, "text": "about 2 Earth escape speeds", "smaller_item": { "id": "earth-escape", "label": "Earth escape velocity", "plural": "Earth escape speeds", "value": 11.2, "unit": "km/s", "rank": 5, "svgId": "speed-escape", "citation": "Planetary escape velocity from Earth surface." }, "smaller_ratio": 1.8839285714285716, "larger_item": { "id": "earth-orbit-speed", "label": "Earth orbital speed", "plural": "Earth orbital speeds", "value": 29.8, "unit": "km/s", "rank": 6, "svgId": "speed-earth-orbit", "citation": "NASA JPL mean orbital speed of Earth around the Sun." }, "larger_ratio": 0.7080536912751678 }, "key_facts": [ "On 2024-12-20 17:52:01 UTC, a bright bolide meteor was detected in Earth atmosphere.", "Calculated impact energy was 3.4 kilotons of TNT, which is 0.227 times the size of a Hiroshima equivalent.", "Peak brightness occurred at an altitude of 32.6 km.", "Atmospheric entry velocity was 21.1 km/s.", "Estimated pre-atmospheric impactor diameter was 3.44 meters." ] }, { "date_utc": "2024-12-01 08:50:16", "date_str": "2024-12-01 08:50:16", "impact_energy_kt": 0.38, "total_radiated_energy_j": 130000000000, "lat": -42.7, "lon": -172.4, "lat_dir": "S", "lon_dir": "W", "altitude_km": 35.9, "velocity_kms": 22.1, "vx": null, "vy": null, "vz": null, "calculated_diameter_m": 1.61, "slug": "20241201085016", "energy_comparison": { "best_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "ratio": 0.025333333333333333, "text": "0.0253 times the size of a Hiroshima equivalent", "smaller_item": { "id": "lightning-bolt", "label": "lightning bolt", "plural": "lightning bolts", "value": 0.00024, "unit": "kt", "rank": 2, "svgId": "energy-lightning", "citation": "National Weather Service / NOAA average lightning flash energy (~1 gigajoule = 0.000239 kt TNT)." }, "smaller_ratio": 1583.3333333333333, "larger_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "larger_ratio": 0.025333333333333333 }, "size_comparison": { "best_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "ratio": 0.9470588235294118, "text": "about the size of a adult human", "smaller_item": { "id": "house-cat", "label": "house cat", "plural": "house cats", "value": 0.45, "unit": "m", "rank": 20, "svgId": "silhouette-cat", "citation": "Standard domestic cat average nose-to-tail base length, Wilson & Reeder Mammal Species of the World." }, "smaller_ratio": 3.577777777777778, "larger_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "larger_ratio": 0.9470588235294118 }, "speed_comparison": { "best_item": { "id": "earth-escape", "label": "Earth escape velocity", "plural": "Earth escape speeds", "value": 11.2, "unit": "km/s", "rank": 5, "svgId": "speed-escape", "citation": "Planetary escape velocity from Earth surface." }, "ratio": 1.973214285714286, "text": "about 2 Earth escape speeds", "smaller_item": { "id": "earth-escape", "label": "Earth escape velocity", "plural": "Earth escape speeds", "value": 11.2, "unit": "km/s", "rank": 5, "svgId": "speed-escape", "citation": "Planetary escape velocity from Earth surface." }, "smaller_ratio": 1.973214285714286, "larger_item": { "id": "earth-orbit-speed", "label": "Earth orbital speed", "plural": "Earth orbital speeds", "value": 29.8, "unit": "km/s", "rank": 6, "svgId": "speed-earth-orbit", "citation": "NASA JPL mean orbital speed of Earth around the Sun." }, "larger_ratio": 0.7416107382550335 }, "key_facts": [ "On 2024-12-01 08:50:16 UTC, a bright bolide meteor was detected in Earth atmosphere.", "Calculated impact energy was 0.38 kilotons of TNT, which is 0.0253 times the size of a Hiroshima equivalent.", "Peak brightness occurred at an altitude of 35.9 km.", "Atmospheric entry velocity was 22.1 km/s.", "Estimated pre-atmospheric impactor diameter was 1.61 meters." ] }, { "date_utc": "2024-11-29 22:18:15", "date_str": "2024-11-29 22:18:15", "impact_energy_kt": 0.095, "total_radiated_energy_j": 27000000000, "lat": -74.6, "lon": 4.4, "lat_dir": "S", "lon_dir": "E", "altitude_km": 68.5, "velocity_kms": null, "vx": null, "vy": null, "vz": null, "calculated_diameter_m": 1.16, "slug": "20241129221815", "energy_comparison": { "best_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "ratio": 0.006333333333333333, "text": "0.00633 times the size of a Hiroshima equivalent", "smaller_item": { "id": "lightning-bolt", "label": "lightning bolt", "plural": "lightning bolts", "value": 0.00024, "unit": "kt", "rank": 2, "svgId": "energy-lightning", "citation": "National Weather Service / NOAA average lightning flash energy (~1 gigajoule = 0.000239 kt TNT)." }, "smaller_ratio": 395.8333333333333, "larger_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "larger_ratio": 0.006333333333333333 }, "size_comparison": { "best_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "ratio": 0.6823529411764706, "text": "0.682 times the size of a adult human", "smaller_item": { "id": "house-cat", "label": "house cat", "plural": "house cats", "value": 0.45, "unit": "m", "rank": 20, "svgId": "silhouette-cat", "citation": "Standard domestic cat average nose-to-tail base length, Wilson & Reeder Mammal Species of the World." }, "smaller_ratio": 2.5777777777777775, "larger_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "larger_ratio": 0.6823529411764706 }, "speed_comparison": null, "key_facts": [ "On 2024-11-29 22:18:15 UTC, a bright bolide meteor was detected in Earth atmosphere.", "Calculated impact energy was 0.095 kilotons of TNT, which is 0.00633 times the size of a Hiroshima equivalent.", "Peak brightness occurred at an altitude of 68.5 km.", "Estimated pre-atmospheric impactor diameter was 1.16 meters." ] }, { "date_utc": "2024-11-29 17:57:18", "date_str": "2024-11-29 17:57:18", "impact_energy_kt": 0.19, "total_radiated_energy_j": 58000000000, "lat": -79.4, "lon": 74.6, "lat_dir": "S", "lon_dir": "E", "altitude_km": 62, "velocity_kms": null, "vx": null, "vy": null, "vz": null, "calculated_diameter_m": 1.46, "slug": "20241129175718", "energy_comparison": { "best_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "ratio": 0.012666666666666666, "text": "0.0127 times the size of a Hiroshima equivalent", "smaller_item": { "id": "lightning-bolt", "label": "lightning bolt", "plural": "lightning bolts", "value": 0.00024, "unit": "kt", "rank": 2, "svgId": "energy-lightning", "citation": "National Weather Service / NOAA average lightning flash energy (~1 gigajoule = 0.000239 kt TNT)." }, "smaller_ratio": 791.6666666666666, "larger_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "larger_ratio": 0.012666666666666666 }, "size_comparison": { "best_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "ratio": 0.8588235294117647, "text": "about the size of a adult human", "smaller_item": { "id": "house-cat", "label": "house cat", "plural": "house cats", "value": 0.45, "unit": "m", "rank": 20, "svgId": "silhouette-cat", "citation": "Standard domestic cat average nose-to-tail base length, Wilson & Reeder Mammal Species of the World." }, "smaller_ratio": 3.2444444444444445, "larger_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "larger_ratio": 0.8588235294117647 }, "speed_comparison": null, "key_facts": [ "On 2024-11-29 17:57:18 UTC, a bright bolide meteor was detected in Earth atmosphere.", "Calculated impact energy was 0.19 kilotons of TNT, which is 0.0127 times the size of a Hiroshima equivalent.", "Peak brightness occurred at an altitude of 62 km.", "Estimated pre-atmospheric impactor diameter was 1.46 meters." ] }, { "date_utc": "2024-11-10 16:31:52", "date_str": "2024-11-10 16:31:52", "impact_energy_kt": 0.18, "total_radiated_energy_j": 57000000000, "lat": -59.8, "lon": -73.6, "lat_dir": "S", "lon_dir": "W", "altitude_km": 43, "velocity_kms": null, "vx": null, "vy": null, "vz": null, "calculated_diameter_m": 1.44, "slug": "20241110163152", "energy_comparison": { "best_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "ratio": 0.012, "text": "0.012 times the size of a Hiroshima equivalent", "smaller_item": { "id": "lightning-bolt", "label": "lightning bolt", "plural": "lightning bolts", "value": 0.00024, "unit": "kt", "rank": 2, "svgId": "energy-lightning", "citation": "National Weather Service / NOAA average lightning flash energy (~1 gigajoule = 0.000239 kt TNT)." }, "smaller_ratio": 750, "larger_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "larger_ratio": 0.012 }, "size_comparison": { "best_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "ratio": 0.8470588235294118, "text": "0.847 times the size of a adult human", "smaller_item": { "id": "house-cat", "label": "house cat", "plural": "house cats", "value": 0.45, "unit": "m", "rank": 20, "svgId": "silhouette-cat", "citation": "Standard domestic cat average nose-to-tail base length, Wilson & Reeder Mammal Species of the World." }, "smaller_ratio": 3.1999999999999997, "larger_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "larger_ratio": 0.8470588235294118 }, "speed_comparison": null, "key_facts": [ "On 2024-11-10 16:31:52 UTC, a bright bolide meteor was detected in Earth atmosphere.", "Calculated impact energy was 0.18 kilotons of TNT, which is 0.012 times the size of a Hiroshima equivalent.", "Peak brightness occurred at an altitude of 43 km.", "Estimated pre-atmospheric impactor diameter was 1.44 meters." ] }, { "date_utc": "2024-10-22 10:54:48", "date_str": "2024-10-22 10:54:48", "impact_energy_kt": 0.15, "total_radiated_energy_j": 45000000000, "lat": 30, "lon": -136, "lat_dir": "N", "lon_dir": "W", "altitude_km": 38.2, "velocity_kms": null, "vx": null, "vy": null, "vz": null, "calculated_diameter_m": 1.35, "slug": "20241022105448", "energy_comparison": { "best_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "ratio": 0.01, "text": "0.01 times the size of a Hiroshima equivalent", "smaller_item": { "id": "lightning-bolt", "label": "lightning bolt", "plural": "lightning bolts", "value": 0.00024, "unit": "kt", "rank": 2, "svgId": "energy-lightning", "citation": "National Weather Service / NOAA average lightning flash energy (~1 gigajoule = 0.000239 kt TNT)." }, "smaller_ratio": 625, "larger_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "larger_ratio": 0.01 }, "size_comparison": { "best_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "ratio": 0.7941176470588236, "text": "0.794 times the size of a adult human", "smaller_item": { "id": "house-cat", "label": "house cat", "plural": "house cats", "value": 0.45, "unit": "m", "rank": 20, "svgId": "silhouette-cat", "citation": "Standard domestic cat average nose-to-tail base length, Wilson & Reeder Mammal Species of the World." }, "smaller_ratio": 3, "larger_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "larger_ratio": 0.7941176470588236 }, "speed_comparison": null, "key_facts": [ "On 2024-10-22 10:54:48 UTC, a bright bolide meteor was detected in Earth atmosphere.", "Calculated impact energy was 0.15 kilotons of TNT, which is 0.01 times the size of a Hiroshima equivalent.", "Peak brightness occurred at an altitude of 38.2 km.", "Estimated pre-atmospheric impactor diameter was 1.35 meters." ] }, { "date_utc": "2024-10-05 12:27:48", "date_str": "2024-10-05 12:27:48", "impact_energy_kt": 0.095, "total_radiated_energy_j": 27000000000, "lat": -55.9, "lon": -102.4, "lat_dir": "S", "lon_dir": "W", "altitude_km": 39.5, "velocity_kms": 13.1, "vx": null, "vy": null, "vz": null, "calculated_diameter_m": 1.43, "slug": "20241005122748", "energy_comparison": { "best_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "ratio": 0.006333333333333333, "text": "0.00633 times the size of a Hiroshima equivalent", "smaller_item": { "id": "lightning-bolt", "label": "lightning bolt", "plural": "lightning bolts", "value": 0.00024, "unit": "kt", "rank": 2, "svgId": "energy-lightning", "citation": "National Weather Service / NOAA average lightning flash energy (~1 gigajoule = 0.000239 kt TNT)." }, "smaller_ratio": 395.8333333333333, "larger_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "larger_ratio": 0.006333333333333333 }, "size_comparison": { "best_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "ratio": 0.8411764705882353, "text": "0.841 times the size of a adult human", "smaller_item": { "id": "house-cat", "label": "house cat", "plural": "house cats", "value": 0.45, "unit": "m", "rank": 20, "svgId": "silhouette-cat", "citation": "Standard domestic cat average nose-to-tail base length, Wilson & Reeder Mammal Species of the World." }, "smaller_ratio": 3.1777777777777776, "larger_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "larger_ratio": 0.8411764705882353 }, "speed_comparison": { "best_item": { "id": "iss-speed", "label": "ISS orbital velocity", "plural": "ISS orbital speeds", "value": 7.66, "unit": "km/s", "rank": 1, "svgId": "speed-iss", "citation": "NASA International Space Station average orbital speed in low Earth orbit." }, "ratio": 1.7101827676240209, "text": "about one and a half ISS orbital speeds", "smaller_item": { "id": "earth-escape", "label": "Earth escape velocity", "plural": "Earth escape speeds", "value": 11.2, "unit": "km/s", "rank": 5, "svgId": "speed-escape", "citation": "Planetary escape velocity from Earth surface." }, "smaller_ratio": 1.1696428571428572, "larger_item": { "id": "earth-orbit-speed", "label": "Earth orbital speed", "plural": "Earth orbital speeds", "value": 29.8, "unit": "km/s", "rank": 6, "svgId": "speed-earth-orbit", "citation": "NASA JPL mean orbital speed of Earth around the Sun." }, "larger_ratio": 0.4395973154362416 }, "key_facts": [ "On 2024-10-05 12:27:48 UTC, a bright bolide meteor was detected in Earth atmosphere.", "Calculated impact energy was 0.095 kilotons of TNT, which is 0.00633 times the size of a Hiroshima equivalent.", "Peak brightness occurred at an altitude of 39.5 km.", "Atmospheric entry velocity was 13.1 km/s.", "Estimated pre-atmospheric impactor diameter was 1.43 meters." ] }, { "date_utc": "2024-09-28 00:10:19", "date_str": "2024-09-28 00:10:19", "impact_energy_kt": 0.32, "total_radiated_energy_j": 108000000000, "lat": -59.8, "lon": -51.8, "lat_dir": "S", "lon_dir": "W", "altitude_km": 34.2, "velocity_kms": 15, "vx": null, "vy": null, "vz": null, "calculated_diameter_m": 1.96, "slug": "20240928001019", "energy_comparison": { "best_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "ratio": 0.021333333333333333, "text": "0.0213 times the size of a Hiroshima equivalent", "smaller_item": { "id": "lightning-bolt", "label": "lightning bolt", "plural": "lightning bolts", "value": 0.00024, "unit": "kt", "rank": 2, "svgId": "energy-lightning", "citation": "National Weather Service / NOAA average lightning flash energy (~1 gigajoule = 0.000239 kt TNT)." }, "smaller_ratio": 1333.3333333333333, "larger_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "larger_ratio": 0.021333333333333333 }, "size_comparison": { "best_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "ratio": 1.1529411764705881, "text": "about one and a half adult humans", "smaller_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "smaller_ratio": 1.1529411764705881, "larger_item": { "id": "family-car", "label": "family car", "plural": "family cars", "value": 4.5, "unit": "m", "rank": 6, "svgId": "silhouette-car", "citation": "ISO standard passenger vehicle average overall bumper-to-bumper length." }, "larger_ratio": 0.43555555555555553 }, "speed_comparison": { "best_item": { "id": "iss-speed", "label": "ISS orbital velocity", "plural": "ISS orbital speeds", "value": 7.66, "unit": "km/s", "rank": 1, "svgId": "speed-iss", "citation": "NASA International Space Station average orbital speed in low Earth orbit." }, "ratio": 1.95822454308094, "text": "about 2 ISS orbital speeds", "smaller_item": { "id": "earth-escape", "label": "Earth escape velocity", "plural": "Earth escape speeds", "value": 11.2, "unit": "km/s", "rank": 5, "svgId": "speed-escape", "citation": "Planetary escape velocity from Earth surface." }, "smaller_ratio": 1.3392857142857144, "larger_item": { "id": "earth-orbit-speed", "label": "Earth orbital speed", "plural": "Earth orbital speeds", "value": 29.8, "unit": "km/s", "rank": 6, "svgId": "speed-earth-orbit", "citation": "NASA JPL mean orbital speed of Earth around the Sun." }, "larger_ratio": 0.5033557046979865 }, "key_facts": [ "On 2024-09-28 00:10:19 UTC, a bright bolide meteor was detected in Earth atmosphere.", "Calculated impact energy was 0.32 kilotons of TNT, which is 0.0213 times the size of a Hiroshima equivalent.", "Peak brightness occurred at an altitude of 34.2 km.", "Atmospheric entry velocity was 15 km/s.", "Estimated pre-atmospheric impactor diameter was 1.96 meters." ] }, { "date_utc": "2024-09-23 06:37:47", "date_str": "2024-09-23 06:37:47", "impact_energy_kt": 0.18, "total_radiated_energy_j": 55000000000, "lat": -45.6, "lon": -31.9, "lat_dir": "S", "lon_dir": "W", "altitude_km": 69, "velocity_kms": null, "vx": null, "vy": null, "vz": null, "calculated_diameter_m": 1.44, "slug": "20240923063747", "energy_comparison": { "best_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "ratio": 0.012, "text": "0.012 times the size of a Hiroshima equivalent", "smaller_item": { "id": "lightning-bolt", "label": "lightning bolt", "plural": "lightning bolts", "value": 0.00024, "unit": "kt", "rank": 2, "svgId": "energy-lightning", "citation": "National Weather Service / NOAA average lightning flash energy (~1 gigajoule = 0.000239 kt TNT)." }, "smaller_ratio": 750, "larger_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "larger_ratio": 0.012 }, "size_comparison": { "best_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "ratio": 0.8470588235294118, "text": "0.847 times the size of a adult human", "smaller_item": { "id": "house-cat", "label": "house cat", "plural": "house cats", "value": 0.45, "unit": "m", "rank": 20, "svgId": "silhouette-cat", "citation": "Standard domestic cat average nose-to-tail base length, Wilson & Reeder Mammal Species of the World." }, "smaller_ratio": 3.1999999999999997, "larger_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "larger_ratio": 0.8470588235294118 }, "speed_comparison": null, "key_facts": [ "On 2024-09-23 06:37:47 UTC, a bright bolide meteor was detected in Earth atmosphere.", "Calculated impact energy was 0.18 kilotons of TNT, which is 0.012 times the size of a Hiroshima equivalent.", "Peak brightness occurred at an altitude of 69 km.", "Estimated pre-atmospheric impactor diameter was 1.44 meters." ] }, { "date_utc": "2024-09-06 12:36:22", "date_str": "2024-09-06 12:36:22", "impact_energy_kt": 0.076, "total_radiated_energy_j": 21000000000, "lat": -12.9, "lon": 117.7, "lat_dir": "S", "lon_dir": "E", "altitude_km": 27, "velocity_kms": 22.6, "vx": null, "vy": null, "vz": null, "calculated_diameter_m": 0.93, "slug": "20240906123622", "energy_comparison": { "best_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "ratio": 0.005066666666666666, "text": "0.00507 times the size of a Hiroshima equivalent", "smaller_item": { "id": "lightning-bolt", "label": "lightning bolt", "plural": "lightning bolts", "value": 0.00024, "unit": "kt", "rank": 2, "svgId": "energy-lightning", "citation": "National Weather Service / NOAA average lightning flash energy (~1 gigajoule = 0.000239 kt TNT)." }, "smaller_ratio": 316.66666666666663, "larger_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "larger_ratio": 0.005066666666666666 }, "size_comparison": { "best_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "ratio": 0.5470588235294118, "text": "0.547 times the size of a adult human", "smaller_item": { "id": "house-cat", "label": "house cat", "plural": "house cats", "value": 0.45, "unit": "m", "rank": 20, "svgId": "silhouette-cat", "citation": "Standard domestic cat average nose-to-tail base length, Wilson & Reeder Mammal Species of the World." }, "smaller_ratio": 2.066666666666667, "larger_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "larger_ratio": 0.5470588235294118 }, "speed_comparison": { "best_item": { "id": "earth-escape", "label": "Earth escape velocity", "plural": "Earth escape speeds", "value": 11.2, "unit": "km/s", "rank": 5, "svgId": "speed-escape", "citation": "Planetary escape velocity from Earth surface." }, "ratio": 2.0178571428571432, "text": "about 2 Earth escape speeds", "smaller_item": { "id": "earth-escape", "label": "Earth escape velocity", "plural": "Earth escape speeds", "value": 11.2, "unit": "km/s", "rank": 5, "svgId": "speed-escape", "citation": "Planetary escape velocity from Earth surface." }, "smaller_ratio": 2.0178571428571432, "larger_item": { "id": "earth-orbit-speed", "label": "Earth orbital speed", "plural": "Earth orbital speeds", "value": 29.8, "unit": "km/s", "rank": 6, "svgId": "speed-earth-orbit", "citation": "NASA JPL mean orbital speed of Earth around the Sun." }, "larger_ratio": 0.7583892617449665 }, "key_facts": [ "On 2024-09-06 12:36:22 UTC, a bright bolide meteor was detected in Earth atmosphere.", "Calculated impact energy was 0.076 kilotons of TNT, which is 0.00507 times the size of a Hiroshima equivalent.", "Peak brightness occurred at an altitude of 27 km.", "Atmospheric entry velocity was 22.6 km/s.", "Estimated pre-atmospheric impactor diameter was 0.93 meters." ] }, { "date_utc": "2024-09-04 16:39:32", "date_str": "2024-09-04 16:39:32", "impact_energy_kt": 0.2, "total_radiated_energy_j": 62000000000, "lat": 18, "lon": 122.9, "lat_dir": "N", "lon_dir": "E", "altitude_km": 25, "velocity_kms": 19.7, "vx": null, "vy": null, "vz": null, "calculated_diameter_m": 1.4, "slug": "20240904163932", "energy_comparison": { "best_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "ratio": 0.013333333333333334, "text": "0.0133 times the size of a Hiroshima equivalent", "smaller_item": { "id": "lightning-bolt", "label": "lightning bolt", "plural": "lightning bolts", "value": 0.00024, "unit": "kt", "rank": 2, "svgId": "energy-lightning", "citation": "National Weather Service / NOAA average lightning flash energy (~1 gigajoule = 0.000239 kt TNT)." }, "smaller_ratio": 833.3333333333334, "larger_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "larger_ratio": 0.013333333333333334 }, "size_comparison": { "best_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "ratio": 0.8235294117647058, "text": "0.824 times the size of a adult human", "smaller_item": { "id": "house-cat", "label": "house cat", "plural": "house cats", "value": 0.45, "unit": "m", "rank": 20, "svgId": "silhouette-cat", "citation": "Standard domestic cat average nose-to-tail base length, Wilson & Reeder Mammal Species of the World." }, "smaller_ratio": 3.1111111111111107, "larger_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "larger_ratio": 0.8235294117647058 }, "speed_comparison": { "best_item": { "id": "iss-speed", "label": "ISS orbital velocity", "plural": "ISS orbital speeds", "value": 7.66, "unit": "km/s", "rank": 1, "svgId": "speed-iss", "citation": "NASA International Space Station average orbital speed in low Earth orbit." }, "ratio": 2.5718015665796345, "text": "about 2.5 ISS orbital speeds", "smaller_item": { "id": "earth-escape", "label": "Earth escape velocity", "plural": "Earth escape speeds", "value": 11.2, "unit": "km/s", "rank": 5, "svgId": "speed-escape", "citation": "Planetary escape velocity from Earth surface." }, "smaller_ratio": 1.7589285714285714, "larger_item": { "id": "earth-orbit-speed", "label": "Earth orbital speed", "plural": "Earth orbital speeds", "value": 29.8, "unit": "km/s", "rank": 6, "svgId": "speed-earth-orbit", "citation": "NASA JPL mean orbital speed of Earth around the Sun." }, "larger_ratio": 0.6610738255033557 }, "key_facts": [ "On 2024-09-04 16:39:32 UTC, a bright bolide meteor was detected in Earth atmosphere.", "Calculated impact energy was 0.2 kilotons of TNT, which is 0.0133 times the size of a Hiroshima equivalent.", "Peak brightness occurred at an altitude of 25 km.", "Atmospheric entry velocity was 19.7 km/s.", "Estimated pre-atmospheric impactor diameter was 1.4 meters." ] }, { "date_utc": "2024-08-25 06:50:49", "date_str": "2024-08-25 06:50:49", "impact_energy_kt": 0.092, "total_radiated_energy_j": 26000000000, "lat": -33.6, "lon": 24.5, "lat_dir": "S", "lon_dir": "E", "altitude_km": 38.2, "velocity_kms": 20.1, "vx": null, "vy": null, "vz": null, "calculated_diameter_m": 1.07, "slug": "20240825065049", "energy_comparison": { "best_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "ratio": 0.0061333333333333335, "text": "0.00613 times the size of a Hiroshima equivalent", "smaller_item": { "id": "lightning-bolt", "label": "lightning bolt", "plural": "lightning bolts", "value": 0.00024, "unit": "kt", "rank": 2, "svgId": "energy-lightning", "citation": "National Weather Service / NOAA average lightning flash energy (~1 gigajoule = 0.000239 kt TNT)." }, "smaller_ratio": 383.3333333333333, "larger_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "larger_ratio": 0.0061333333333333335 }, "size_comparison": { "best_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "ratio": 0.6294117647058824, "text": "0.629 times the size of a adult human", "smaller_item": { "id": "house-cat", "label": "house cat", "plural": "house cats", "value": 0.45, "unit": "m", "rank": 20, "svgId": "silhouette-cat", "citation": "Standard domestic cat average nose-to-tail base length, Wilson & Reeder Mammal Species of the World." }, "smaller_ratio": 2.3777777777777778, "larger_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "larger_ratio": 0.6294117647058824 }, "speed_comparison": { "best_item": { "id": "iss-speed", "label": "ISS orbital velocity", "plural": "ISS orbital speeds", "value": 7.66, "unit": "km/s", "rank": 1, "svgId": "speed-iss", "citation": "NASA International Space Station average orbital speed in low Earth orbit." }, "ratio": 2.62402088772846, "text": "about 2.5 ISS orbital speeds", "smaller_item": { "id": "earth-escape", "label": "Earth escape velocity", "plural": "Earth escape speeds", "value": 11.2, "unit": "km/s", "rank": 5, "svgId": "speed-escape", "citation": "Planetary escape velocity from Earth surface." }, "smaller_ratio": 1.7946428571428574, "larger_item": { "id": "earth-orbit-speed", "label": "Earth orbital speed", "plural": "Earth orbital speeds", "value": 29.8, "unit": "km/s", "rank": 6, "svgId": "speed-earth-orbit", "citation": "NASA JPL mean orbital speed of Earth around the Sun." }, "larger_ratio": 0.6744966442953021 }, "key_facts": [ "On 2024-08-25 06:50:49 UTC, a bright bolide meteor was detected in Earth atmosphere.", "Calculated impact energy was 0.092 kilotons of TNT, which is 0.00613 times the size of a Hiroshima equivalent.", "Peak brightness occurred at an altitude of 38.2 km.", "Atmospheric entry velocity was 20.1 km/s.", "Estimated pre-atmospheric impactor diameter was 1.07 meters." ] }, { "date_utc": "2024-08-20 12:53:51", "date_str": "2024-08-20 12:53:51", "impact_energy_kt": 0.19, "total_radiated_energy_j": 60000000000, "lat": null, "lon": null, "lat_dir": "", "lon_dir": "", "altitude_km": null, "velocity_kms": null, "vx": null, "vy": null, "vz": null, "calculated_diameter_m": 1.46, "slug": "20240820125351", "energy_comparison": { "best_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "ratio": 0.012666666666666666, "text": "0.0127 times the size of a Hiroshima equivalent", "smaller_item": { "id": "lightning-bolt", "label": "lightning bolt", "plural": "lightning bolts", "value": 0.00024, "unit": "kt", "rank": 2, "svgId": "energy-lightning", "citation": "National Weather Service / NOAA average lightning flash energy (~1 gigajoule = 0.000239 kt TNT)." }, "smaller_ratio": 791.6666666666666, "larger_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "larger_ratio": 0.012666666666666666 }, "size_comparison": { "best_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "ratio": 0.8588235294117647, "text": "about the size of a adult human", "smaller_item": { "id": "house-cat", "label": "house cat", "plural": "house cats", "value": 0.45, "unit": "m", "rank": 20, "svgId": "silhouette-cat", "citation": "Standard domestic cat average nose-to-tail base length, Wilson & Reeder Mammal Species of the World." }, "smaller_ratio": 3.2444444444444445, "larger_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "larger_ratio": 0.8588235294117647 }, "speed_comparison": null, "key_facts": [ "On 2024-08-20 12:53:51 UTC, a bright bolide meteor was detected in Earth atmosphere.", "Calculated impact energy was 0.19 kilotons of TNT, which is 0.0127 times the size of a Hiroshima equivalent.", "Estimated pre-atmospheric impactor diameter was 1.46 meters." ] }, { "date_utc": "2024-07-30 19:27:16", "date_str": "2024-07-30 19:27:16", "impact_energy_kt": 0.095, "total_radiated_energy_j": 27000000000, "lat": -6.7, "lon": -124.4, "lat_dir": "S", "lon_dir": "W", "altitude_km": 39, "velocity_kms": 14.6, "vx": null, "vy": null, "vz": null, "calculated_diameter_m": 1.33, "slug": "20240730192716", "energy_comparison": { "best_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "ratio": 0.006333333333333333, "text": "0.00633 times the size of a Hiroshima equivalent", "smaller_item": { "id": "lightning-bolt", "label": "lightning bolt", "plural": "lightning bolts", "value": 0.00024, "unit": "kt", "rank": 2, "svgId": "energy-lightning", "citation": "National Weather Service / NOAA average lightning flash energy (~1 gigajoule = 0.000239 kt TNT)." }, "smaller_ratio": 395.8333333333333, "larger_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "larger_ratio": 0.006333333333333333 }, "size_comparison": { "best_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "ratio": 0.7823529411764707, "text": "0.782 times the size of a adult human", "smaller_item": { "id": "house-cat", "label": "house cat", "plural": "house cats", "value": 0.45, "unit": "m", "rank": 20, "svgId": "silhouette-cat", "citation": "Standard domestic cat average nose-to-tail base length, Wilson & Reeder Mammal Species of the World." }, "smaller_ratio": 2.9555555555555557, "larger_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "larger_ratio": 0.7823529411764707 }, "speed_comparison": { "best_item": { "id": "iss-speed", "label": "ISS orbital velocity", "plural": "ISS orbital speeds", "value": 7.66, "unit": "km/s", "rank": 1, "svgId": "speed-iss", "citation": "NASA International Space Station average orbital speed in low Earth orbit." }, "ratio": 1.9060052219321149, "text": "about 2 ISS orbital speeds", "smaller_item": { "id": "earth-escape", "label": "Earth escape velocity", "plural": "Earth escape speeds", "value": 11.2, "unit": "km/s", "rank": 5, "svgId": "speed-escape", "citation": "Planetary escape velocity from Earth surface." }, "smaller_ratio": 1.3035714285714286, "larger_item": { "id": "earth-orbit-speed", "label": "Earth orbital speed", "plural": "Earth orbital speeds", "value": 29.8, "unit": "km/s", "rank": 6, "svgId": "speed-earth-orbit", "citation": "NASA JPL mean orbital speed of Earth around the Sun." }, "larger_ratio": 0.4899328859060402 }, "key_facts": [ "On 2024-07-30 19:27:16 UTC, a bright bolide meteor was detected in Earth atmosphere.", "Calculated impact energy was 0.095 kilotons of TNT, which is 0.00633 times the size of a Hiroshima equivalent.", "Peak brightness occurred at an altitude of 39 km.", "Atmospheric entry velocity was 14.6 km/s.", "Estimated pre-atmospheric impactor diameter was 1.33 meters." ] }, { "date_utc": "2024-07-20 14:08:10", "date_str": "2024-07-20 14:08:10", "impact_energy_kt": 5.1, "total_radiated_energy_j": 2433000000000, "lat": -73.7, "lon": 22.5, "lat_dir": "S", "lon_dir": "E", "altitude_km": 38.8, "velocity_kms": 30.8, "vx": null, "vy": null, "vz": null, "calculated_diameter_m": 3.06, "slug": "20240720140810", "energy_comparison": { "best_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "ratio": 0.33999999999999997, "text": "0.34 times the size of a Hiroshima equivalent", "smaller_item": { "id": "lightning-bolt", "label": "lightning bolt", "plural": "lightning bolts", "value": 0.00024, "unit": "kt", "rank": 2, "svgId": "energy-lightning", "citation": "National Weather Service / NOAA average lightning flash energy (~1 gigajoule = 0.000239 kt TNT)." }, "smaller_ratio": 21249.999999999996, "larger_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "larger_ratio": 0.33999999999999997 }, "size_comparison": { "best_item": { "id": "family-car", "label": "family car", "plural": "family cars", "value": 4.5, "unit": "m", "rank": 6, "svgId": "silhouette-car", "citation": "ISO standard passenger vehicle average overall bumper-to-bumper length." }, "ratio": 0.68, "text": "0.68 times the size of a family car", "smaller_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "smaller_ratio": 1.8, "larger_item": { "id": "family-car", "label": "family car", "plural": "family cars", "value": 4.5, "unit": "m", "rank": 6, "svgId": "silhouette-car", "citation": "ISO standard passenger vehicle average overall bumper-to-bumper length." }, "larger_ratio": 0.68 }, "speed_comparison": { "best_item": { "id": "iss-speed", "label": "ISS orbital velocity", "plural": "ISS orbital speeds", "value": 7.66, "unit": "km/s", "rank": 1, "svgId": "speed-iss", "citation": "NASA International Space Station average orbital speed in low Earth orbit." }, "ratio": 4.02088772845953, "text": "just over 4 ISS orbital speeds", "smaller_item": { "id": "earth-orbit-speed", "label": "Earth orbital speed", "plural": "Earth orbital speeds", "value": 29.8, "unit": "km/s", "rank": 6, "svgId": "speed-earth-orbit", "citation": "NASA JPL mean orbital speed of Earth around the Sun." }, "smaller_ratio": 1.0335570469798658, "larger_item": null, "larger_ratio": null }, "key_facts": [ "On 2024-07-20 14:08:10 UTC, a bright bolide meteor was detected in Earth atmosphere.", "Calculated impact energy was 5.1 kilotons of TNT, which is 0.34 times the size of a Hiroshima equivalent.", "Peak brightness occurred at an altitude of 38.8 km.", "Atmospheric entry velocity was 30.8 km/s.", "Estimated pre-atmospheric impactor diameter was 3.06 meters." ] }, { "date_utc": "2024-07-13 03:10:41", "date_str": "2024-07-13 03:10:41", "impact_energy_kt": 1.5, "total_radiated_energy_j": 590000000000, "lat": -7.4, "lon": -41, "lat_dir": "S", "lon_dir": "W", "altitude_km": 32, "velocity_kms": null, "vx": null, "vy": null, "vz": null, "calculated_diameter_m": 2.91, "slug": "20240713031041", "energy_comparison": { "best_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "ratio": 0.1, "text": "0.1 times the size of a Hiroshima equivalent", "smaller_item": { "id": "lightning-bolt", "label": "lightning bolt", "plural": "lightning bolts", "value": 0.00024, "unit": "kt", "rank": 2, "svgId": "energy-lightning", "citation": "National Weather Service / NOAA average lightning flash energy (~1 gigajoule = 0.000239 kt TNT)." }, "smaller_ratio": 6250, "larger_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "larger_ratio": 0.1 }, "size_comparison": { "best_item": { "id": "family-car", "label": "family car", "plural": "family cars", "value": 4.5, "unit": "m", "rank": 6, "svgId": "silhouette-car", "citation": "ISO standard passenger vehicle average overall bumper-to-bumper length." }, "ratio": 0.6466666666666667, "text": "0.647 times the size of a family car", "smaller_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "smaller_ratio": 1.711764705882353, "larger_item": { "id": "family-car", "label": "family car", "plural": "family cars", "value": 4.5, "unit": "m", "rank": 6, "svgId": "silhouette-car", "citation": "ISO standard passenger vehicle average overall bumper-to-bumper length." }, "larger_ratio": 0.6466666666666667 }, "speed_comparison": null, "key_facts": [ "On 2024-07-13 03:10:41 UTC, a bright bolide meteor was detected in Earth atmosphere.", "Calculated impact energy was 1.5 kilotons of TNT, which is 0.1 times the size of a Hiroshima equivalent.", "Peak brightness occurred at an altitude of 32 km.", "Estimated pre-atmospheric impactor diameter was 2.91 meters." ] }, { "date_utc": "2024-07-12 00:09:35", "date_str": "2024-07-12 00:09:35", "impact_energy_kt": 0.26, "total_radiated_energy_j": 85000000000, "lat": 2.6, "lon": 46.6, "lat_dir": "N", "lon_dir": "E", "altitude_km": 41.5, "velocity_kms": 22.4, "vx": null, "vy": null, "vz": null, "calculated_diameter_m": 1.4, "slug": "20240712000935", "energy_comparison": { "best_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "ratio": 0.017333333333333333, "text": "0.0173 times the size of a Hiroshima equivalent", "smaller_item": { "id": "lightning-bolt", "label": "lightning bolt", "plural": "lightning bolts", "value": 0.00024, "unit": "kt", "rank": 2, "svgId": "energy-lightning", "citation": "National Weather Service / NOAA average lightning flash energy (~1 gigajoule = 0.000239 kt TNT)." }, "smaller_ratio": 1083.3333333333333, "larger_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "larger_ratio": 0.017333333333333333 }, "size_comparison": { "best_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "ratio": 0.8235294117647058, "text": "0.824 times the size of a adult human", "smaller_item": { "id": "house-cat", "label": "house cat", "plural": "house cats", "value": 0.45, "unit": "m", "rank": 20, "svgId": "silhouette-cat", "citation": "Standard domestic cat average nose-to-tail base length, Wilson & Reeder Mammal Species of the World." }, "smaller_ratio": 3.1111111111111107, "larger_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "larger_ratio": 0.8235294117647058 }, "speed_comparison": { "best_item": { "id": "earth-escape", "label": "Earth escape velocity", "plural": "Earth escape speeds", "value": 11.2, "unit": "km/s", "rank": 5, "svgId": "speed-escape", "citation": "Planetary escape velocity from Earth surface." }, "ratio": 2, "text": "about 2 Earth escape speeds", "smaller_item": { "id": "earth-escape", "label": "Earth escape velocity", "plural": "Earth escape speeds", "value": 11.2, "unit": "km/s", "rank": 5, "svgId": "speed-escape", "citation": "Planetary escape velocity from Earth surface." }, "smaller_ratio": 2, "larger_item": { "id": "earth-orbit-speed", "label": "Earth orbital speed", "plural": "Earth orbital speeds", "value": 29.8, "unit": "km/s", "rank": 6, "svgId": "speed-earth-orbit", "citation": "NASA JPL mean orbital speed of Earth around the Sun." }, "larger_ratio": 0.7516778523489932 }, "key_facts": [ "On 2024-07-12 00:09:35 UTC, a bright bolide meteor was detected in Earth atmosphere.", "Calculated impact energy was 0.26 kilotons of TNT, which is 0.0173 times the size of a Hiroshima equivalent.", "Peak brightness occurred at an altitude of 41.5 km.", "Atmospheric entry velocity was 22.4 km/s.", "Estimated pre-atmospheric impactor diameter was 1.4 meters." ] }, { "date_utc": "2024-06-28 16:05:19", "date_str": "2024-06-28 16:05:19", "impact_energy_kt": 0.13, "total_radiated_energy_j": 38000000000, "lat": 55.1, "lon": 140.6, "lat_dir": "N", "lon_dir": "E", "altitude_km": 29.2, "velocity_kms": 15.3, "vx": null, "vy": null, "vz": null, "calculated_diameter_m": 1.44, "slug": "20240628160519", "energy_comparison": { "best_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "ratio": 0.008666666666666666, "text": "0.00867 times the size of a Hiroshima equivalent", "smaller_item": { "id": "lightning-bolt", "label": "lightning bolt", "plural": "lightning bolts", "value": 0.00024, "unit": "kt", "rank": 2, "svgId": "energy-lightning", "citation": "National Weather Service / NOAA average lightning flash energy (~1 gigajoule = 0.000239 kt TNT)." }, "smaller_ratio": 541.6666666666666, "larger_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "larger_ratio": 0.008666666666666666 }, "size_comparison": { "best_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "ratio": 0.8470588235294118, "text": "0.847 times the size of a adult human", "smaller_item": { "id": "house-cat", "label": "house cat", "plural": "house cats", "value": 0.45, "unit": "m", "rank": 20, "svgId": "silhouette-cat", "citation": "Standard domestic cat average nose-to-tail base length, Wilson & Reeder Mammal Species of the World." }, "smaller_ratio": 3.1999999999999997, "larger_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "larger_ratio": 0.8470588235294118 }, "speed_comparison": { "best_item": { "id": "iss-speed", "label": "ISS orbital velocity", "plural": "ISS orbital speeds", "value": 7.66, "unit": "km/s", "rank": 1, "svgId": "speed-iss", "citation": "NASA International Space Station average orbital speed in low Earth orbit." }, "ratio": 1.9973890339425588, "text": "about 2 ISS orbital speeds", "smaller_item": { "id": "earth-escape", "label": "Earth escape velocity", "plural": "Earth escape speeds", "value": 11.2, "unit": "km/s", "rank": 5, "svgId": "speed-escape", "citation": "Planetary escape velocity from Earth surface." }, "smaller_ratio": 1.3660714285714288, "larger_item": { "id": "earth-orbit-speed", "label": "Earth orbital speed", "plural": "Earth orbital speeds", "value": 29.8, "unit": "km/s", "rank": 6, "svgId": "speed-earth-orbit", "citation": "NASA JPL mean orbital speed of Earth around the Sun." }, "larger_ratio": 0.5134228187919463 }, "key_facts": [ "On 2024-06-28 16:05:19 UTC, a bright bolide meteor was detected in Earth atmosphere.", "Calculated impact energy was 0.13 kilotons of TNT, which is 0.00867 times the size of a Hiroshima equivalent.", "Peak brightness occurred at an altitude of 29.2 km.", "Atmospheric entry velocity was 15.3 km/s.", "Estimated pre-atmospheric impactor diameter was 1.44 meters." ] }, { "date_utc": "2024-06-18 21:01:32", "date_str": "2024-06-18 21:01:32", "impact_energy_kt": 0.079, "total_radiated_energy_j": 22000000000, "lat": 32.2, "lon": -31.8, "lat_dir": "N", "lon_dir": "W", "altitude_km": 28.7, "velocity_kms": 16.2, "vx": null, "vy": null, "vz": null, "calculated_diameter_m": 1.17, "slug": "20240618210132", "energy_comparison": { "best_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "ratio": 0.005266666666666667, "text": "0.00527 times the size of a Hiroshima equivalent", "smaller_item": { "id": "lightning-bolt", "label": "lightning bolt", "plural": "lightning bolts", "value": 0.00024, "unit": "kt", "rank": 2, "svgId": "energy-lightning", "citation": "National Weather Service / NOAA average lightning flash energy (~1 gigajoule = 0.000239 kt TNT)." }, "smaller_ratio": 329.1666666666667, "larger_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "larger_ratio": 0.005266666666666667 }, "size_comparison": { "best_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "ratio": 0.6882352941176471, "text": "0.688 times the size of a adult human", "smaller_item": { "id": "house-cat", "label": "house cat", "plural": "house cats", "value": 0.45, "unit": "m", "rank": 20, "svgId": "silhouette-cat", "citation": "Standard domestic cat average nose-to-tail base length, Wilson & Reeder Mammal Species of the World." }, "smaller_ratio": 2.5999999999999996, "larger_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "larger_ratio": 0.6882352941176471 }, "speed_comparison": { "best_item": { "id": "iss-speed", "label": "ISS orbital velocity", "plural": "ISS orbital speeds", "value": 7.66, "unit": "km/s", "rank": 1, "svgId": "speed-iss", "citation": "NASA International Space Station average orbital speed in low Earth orbit." }, "ratio": 2.114882506527415, "text": "about 2 ISS orbital speeds", "smaller_item": { "id": "earth-escape", "label": "Earth escape velocity", "plural": "Earth escape speeds", "value": 11.2, "unit": "km/s", "rank": 5, "svgId": "speed-escape", "citation": "Planetary escape velocity from Earth surface." }, "smaller_ratio": 1.4464285714285714, "larger_item": { "id": "earth-orbit-speed", "label": "Earth orbital speed", "plural": "Earth orbital speeds", "value": 29.8, "unit": "km/s", "rank": 6, "svgId": "speed-earth-orbit", "citation": "NASA JPL mean orbital speed of Earth around the Sun." }, "larger_ratio": 0.5436241610738255 }, "key_facts": [ "On 2024-06-18 21:01:32 UTC, a bright bolide meteor was detected in Earth atmosphere.", "Calculated impact energy was 0.079 kilotons of TNT, which is 0.00527 times the size of a Hiroshima equivalent.", "Peak brightness occurred at an altitude of 28.7 km.", "Atmospheric entry velocity was 16.2 km/s.", "Estimated pre-atmospheric impactor diameter was 1.17 meters." ] }, { "date_utc": "2024-06-18 13:51:19", "date_str": "2024-06-18 13:51:19", "impact_energy_kt": 1.2, "total_radiated_energy_j": 491000000000, "lat": 44.3, "lon": 173.2, "lat_dir": "N", "lon_dir": "E", "altitude_km": 44.3, "velocity_kms": 35.4, "vx": null, "vy": null, "vz": null, "calculated_diameter_m": 1.72, "slug": "20240618135119", "energy_comparison": { "best_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "ratio": 0.08, "text": "0.08 times the size of a Hiroshima equivalent", "smaller_item": { "id": "lightning-bolt", "label": "lightning bolt", "plural": "lightning bolts", "value": 0.00024, "unit": "kt", "rank": 2, "svgId": "energy-lightning", "citation": "National Weather Service / NOAA average lightning flash energy (~1 gigajoule = 0.000239 kt TNT)." }, "smaller_ratio": 5000, "larger_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "larger_ratio": 0.08 }, "size_comparison": { "best_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "ratio": 1.011764705882353, "text": "about the size of a adult human", "smaller_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "smaller_ratio": 1.011764705882353, "larger_item": { "id": "family-car", "label": "family car", "plural": "family cars", "value": 4.5, "unit": "m", "rank": 6, "svgId": "silhouette-car", "citation": "ISO standard passenger vehicle average overall bumper-to-bumper length." }, "larger_ratio": 0.38222222222222224 }, "speed_comparison": { "best_item": { "id": "iss-speed", "label": "ISS orbital velocity", "plural": "ISS orbital speeds", "value": 7.66, "unit": "km/s", "rank": 1, "svgId": "speed-iss", "citation": "NASA International Space Station average orbital speed in low Earth orbit." }, "ratio": 4.621409921671018, "text": "about 5 ISS orbital speeds", "smaller_item": { "id": "earth-orbit-speed", "label": "Earth orbital speed", "plural": "Earth orbital speeds", "value": 29.8, "unit": "km/s", "rank": 6, "svgId": "speed-earth-orbit", "citation": "NASA JPL mean orbital speed of Earth around the Sun." }, "smaller_ratio": 1.1879194630872483, "larger_item": null, "larger_ratio": null }, "key_facts": [ "On 2024-06-18 13:51:19 UTC, a bright bolide meteor was detected in Earth atmosphere.", "Calculated impact energy was 1.2 kilotons of TNT, which is 0.08 times the size of a Hiroshima equivalent.", "Peak brightness occurred at an altitude of 44.3 km.", "Atmospheric entry velocity was 35.4 km/s.", "Estimated pre-atmospheric impactor diameter was 1.72 meters." ] }, { "date_utc": "2024-06-03 01:13:51", "date_str": "2024-06-03 01:13:51", "impact_energy_kt": 0.094, "total_radiated_energy_j": 26700000000, "lat": -63.1, "lon": -53.2, "lat_dir": "S", "lon_dir": "W", "altitude_km": 60, "velocity_kms": null, "vx": null, "vy": null, "vz": null, "calculated_diameter_m": 1.16, "slug": "20240603011351", "energy_comparison": { "best_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "ratio": 0.006266666666666667, "text": "0.00627 times the size of a Hiroshima equivalent", "smaller_item": { "id": "lightning-bolt", "label": "lightning bolt", "plural": "lightning bolts", "value": 0.00024, "unit": "kt", "rank": 2, "svgId": "energy-lightning", "citation": "National Weather Service / NOAA average lightning flash energy (~1 gigajoule = 0.000239 kt TNT)." }, "smaller_ratio": 391.6666666666667, "larger_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "larger_ratio": 0.006266666666666667 }, "size_comparison": { "best_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "ratio": 0.6823529411764706, "text": "0.682 times the size of a adult human", "smaller_item": { "id": "house-cat", "label": "house cat", "plural": "house cats", "value": 0.45, "unit": "m", "rank": 20, "svgId": "silhouette-cat", "citation": "Standard domestic cat average nose-to-tail base length, Wilson & Reeder Mammal Species of the World." }, "smaller_ratio": 2.5777777777777775, "larger_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "larger_ratio": 0.6823529411764706 }, "speed_comparison": null, "key_facts": [ "On 2024-06-03 01:13:51 UTC, a bright bolide meteor was detected in Earth atmosphere.", "Calculated impact energy was 0.094 kilotons of TNT, which is 0.00627 times the size of a Hiroshima equivalent.", "Peak brightness occurred at an altitude of 60 km.", "Estimated pre-atmospheric impactor diameter was 1.16 meters." ] }, { "date_utc": "2024-06-01 23:24:58", "date_str": "2024-06-01 23:24:58", "impact_energy_kt": 0.25, "total_radiated_energy_j": 80100000000, "lat": -1, "lon": -15.9, "lat_dir": "S", "lon_dir": "W", "altitude_km": 26.5, "velocity_kms": 12.6, "vx": null, "vy": null, "vz": null, "calculated_diameter_m": 2.03, "slug": "20240601232458", "energy_comparison": { "best_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "ratio": 0.016666666666666666, "text": "0.0167 times the size of a Hiroshima equivalent", "smaller_item": { "id": "lightning-bolt", "label": "lightning bolt", "plural": "lightning bolts", "value": 0.00024, "unit": "kt", "rank": 2, "svgId": "energy-lightning", "citation": "National Weather Service / NOAA average lightning flash energy (~1 gigajoule = 0.000239 kt TNT)." }, "smaller_ratio": 1041.6666666666667, "larger_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "larger_ratio": 0.016666666666666666 }, "size_comparison": { "best_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "ratio": 1.1941176470588235, "text": "about one and a half adult humans", "smaller_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "smaller_ratio": 1.1941176470588235, "larger_item": { "id": "family-car", "label": "family car", "plural": "family cars", "value": 4.5, "unit": "m", "rank": 6, "svgId": "silhouette-car", "citation": "ISO standard passenger vehicle average overall bumper-to-bumper length." }, "larger_ratio": 0.4511111111111111 }, "speed_comparison": { "best_item": { "id": "iss-speed", "label": "ISS orbital velocity", "plural": "ISS orbital speeds", "value": 7.66, "unit": "km/s", "rank": 1, "svgId": "speed-iss", "citation": "NASA International Space Station average orbital speed in low Earth orbit." }, "ratio": 1.6449086161879896, "text": "about one and a half ISS orbital speeds", "smaller_item": { "id": "earth-escape", "label": "Earth escape velocity", "plural": "Earth escape speeds", "value": 11.2, "unit": "km/s", "rank": 5, "svgId": "speed-escape", "citation": "Planetary escape velocity from Earth surface." }, "smaller_ratio": 1.125, "larger_item": { "id": "earth-orbit-speed", "label": "Earth orbital speed", "plural": "Earth orbital speeds", "value": 29.8, "unit": "km/s", "rank": 6, "svgId": "speed-earth-orbit", "citation": "NASA JPL mean orbital speed of Earth around the Sun." }, "larger_ratio": 0.4228187919463087 }, "key_facts": [ "On 2024-06-01 23:24:58 UTC, a bright bolide meteor was detected in Earth atmosphere.", "Calculated impact energy was 0.25 kilotons of TNT, which is 0.0167 times the size of a Hiroshima equivalent.", "Peak brightness occurred at an altitude of 26.5 km.", "Atmospheric entry velocity was 12.6 km/s.", "Estimated pre-atmospheric impactor diameter was 2.03 meters." ] }, { "date_utc": "2024-05-27 03:19:36", "date_str": "2024-05-27 03:19:36", "impact_energy_kt": 0.26, "total_radiated_energy_j": 84000000000, "lat": 1.7, "lon": -39.4, "lat_dir": "N", "lon_dir": "W", "altitude_km": 56, "velocity_kms": 39.2, "vx": null, "vy": null, "vz": null, "calculated_diameter_m": 0.97, "slug": "20240527031936", "energy_comparison": { "best_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "ratio": 0.017333333333333333, "text": "0.0173 times the size of a Hiroshima equivalent", "smaller_item": { "id": "lightning-bolt", "label": "lightning bolt", "plural": "lightning bolts", "value": 0.00024, "unit": "kt", "rank": 2, "svgId": "energy-lightning", "citation": "National Weather Service / NOAA average lightning flash energy (~1 gigajoule = 0.000239 kt TNT)." }, "smaller_ratio": 1083.3333333333333, "larger_item": { "id": "hiroshima", "label": "Hiroshima equivalent", "plural": "Hiroshima equivalents", "value": 15, "unit": "kt", "rank": 1, "svgId": "energy-hiroshima", "citation": "US Department of Energy yield estimate of Little Boy detonation (15 kt TNT)." }, "larger_ratio": 0.017333333333333333 }, "size_comparison": { "best_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "ratio": 0.5705882352941176, "text": "0.571 times the size of a adult human", "smaller_item": { "id": "house-cat", "label": "house cat", "plural": "house cats", "value": 0.45, "unit": "m", "rank": 20, "svgId": "silhouette-cat", "citation": "Standard domestic cat average nose-to-tail base length, Wilson & Reeder Mammal Species of the World." }, "smaller_ratio": 2.1555555555555554, "larger_item": { "id": "adult-human", "label": "adult human", "plural": "adult humans", "value": 1.7, "unit": "m", "rank": 10, "svgId": "silhouette-human", "citation": "World Health Organization global average adult human height." }, "larger_ratio": 0.5705882352941176 }, "speed_comparison": { "best_item": { "id": "iss-speed", "label": "ISS orbital velocity", "plural": "ISS orbital speeds", "value": 7.66, "unit": "km/s", "rank": 1, "svgId": "speed-iss", "citation": "NASA International Space Station average orbital speed in low Earth orbit." }, "ratio": 5.117493472584857, "text": "just over 5 ISS orbital speeds", "smaller_item": { "id": "earth-orbit-speed", "label": "Earth orbital speed", "plural": "Earth orbital speeds", "value": 29.8, "unit": "km/s", "rank": 6, "svgId": "speed-earth-orbit", "citation": "NASA JPL mean orbital speed of Earth around the Sun." }, "smaller_ratio": 1.3154362416107384, "larger_item": null, "larger_ratio": null }, "key_facts": [ "On 2024-05-27 03:19:36 UTC, a bright bolide meteor was detected in Earth atmosphere.", "Calculated impact energy was 0.26 kilotons of TNT, which is 0.0173 times the size of a Hiroshima equivalent.", "Peak brightness occurred at an altitude of 56 km.", "Atmospheric entry velocity was 39.2 km/s.", "Estimated pre-atmospheric impactor diameter was 0.97 meters." ] } ]