Solar System View of Near-Earth Objects
A true-scale heliocentric projection of 80 tracked near-Earth asteroids orbiting the Sun alongside Mercury, Venus, Earth, and Mars. Observe their real elliptical trajectories, perihelia, and dynamical families.
Interactive heliocentric Orrery: Click or hover over any orbit trajectory to inspect its parameters. Use zoom buttons to adjust scale, or toggle orbit motion to watch Keplerian physics in action.
Understanding Near-Earth Asteroid Orbits
The Four Dynamical Classes
- Apollo: Earth-crossing orbits with semi-major axes larger than Earth's (a > 1.0 AU) and perihelia inside Earth's aphelion (q < 1.017 AU).
- Aten: Earth-crossing orbits with semi-major axes smaller than Earth's (a < 1.0 AU) and aphelia outside Earth's perihelion (Q > 0.983 AU).
- Amor: External approach orbits that come near Earth from outside (1.017 AU < q < 1.3 AU) without crossing Earth's nominal orbit.
- Atira (IEO): Interior-to-Earth orbits lying entirely inside Earth's orbit (Q < 0.983 AU).
Kepler's Laws in Action
Every orbit follows Johannes Kepler's foundational laws of orbital mechanics. The Sun rests not at the geometric center of an orbit, but at one focus of an ellipse with focal offset c = a × e.
Asteroids move fastest at perihelion (closest pass to the Sun) and slowest at aphelion (deep space). Because planetary orbits are inclined in three dimensions, an Earth-crossing orbit does not imply an immediate collision.
Catalog of Tracked Asteroid Orbits
Complete Keplerian orbital parameters for all 80 objects.
| Object | Class | Semi-Major Axis (a) | Eccentricity (e) | Perihelion (q) | Aphelion (Q) | Inclination (i) | Period | Miss Distance | PHA? |
|---|---|---|---|---|---|---|---|---|---|
| (2026 SD1) | AMO | 2.530 AU | 0.583 | 1.050 AU | 4.000 AU | 17.5° | 4.02 yr | 25.0 LD | No |
| (2026 RQ34) | APO | 1.050 AU | 0.129 | 0.917 AU | 1.190 AU | 12.0° | 1.08 yr | 13.0 LD | No |
| (2026 ST2) | APO | 1.200 AU | 0.399 | 0.723 AU | 1.680 AU | 11.6° | 1.31 yr | 15.8 LD | No |
| (2020 GE1) | ATE | 0.994 AU | 0.084 | 0.910 AU | 1.080 AU | 7.8° | 0.99 yr | 28.2 LD | No |
| (2026 RC49) | APO | 2.530 AU | 0.599 | 1.010 AU | 4.050 AU | 0.8° | 4.02 yr | 11.1 LD | No |
| (2026 RK1) | APO | 1.800 AU | 0.512 | 0.879 AU | 2.720 AU | 7.4° | 2.41 yr | 21.8 LD | No |
| (2026 SC) | ATE | 0.832 AU | 0.322 | 0.564 AU | 1.100 AU | 4.7° | 0.76 yr | 1.7 LD | No |
| (2024 SB5) | APO | 1.590 AU | 0.407 | 0.944 AU | 2.240 AU | 16.3° | 2.00 yr | 29.2 LD | No |
| (2026 RN15) | APO | 1.250 AU | 0.270 | 0.915 AU | 1.590 AU | 1.2° | 1.40 yr | 8.3 LD | No |
| (2026 SA8) | APO | 1.070 AU | 0.231 | 0.818 AU | 1.310 AU | 1.9° | 1.11 yr | 1.0 LD | No |
| (2026 SL7) | APO | 2.170 AU | 0.828 | 0.374 AU | 3.970 AU | 4.8° | 3.20 yr | 17.6 LD | No |
| (2026 SX2) | APO | 1.040 AU | 0.238 | 0.796 AU | 1.290 AU | 7.1° | 1.06 yr | 4.1 LD | No |
| (2026 FC6) | APO | 1.400 AU | 0.366 | 0.887 AU | 1.910 AU | 44.4° | 1.66 yr | 28.1 LD | No |
| 138971 (2001 CB21) | APO | 1.030 AU | 0.333 | 0.689 AU | 1.380 AU | 7.9° | 1.05 yr | 21.1 LD | Yes |
| (2026 RE51) | APO | 2.800 AU | 0.697 | 0.849 AU | 4.750 AU | 2.0° | 4.69 yr | 20.1 LD | No |
| (2026 SB12) | APO | 1.230 AU | 0.193 | 0.989 AU | 1.460 AU | 18.3° | 1.36 yr | 10.1 LD | No |
| (2026 RS) | APO | 1.070 AU | 0.246 | 0.804 AU | 1.330 AU | 0.9° | 1.11 yr | 11.1 LD | No |
| (2026 SG12) | APO | 1.550 AU | 0.381 | 0.959 AU | 2.140 AU | 17.2° | 1.93 yr | 14.7 LD | No |
| (2026 SM12) | AMO | 1.090 AU | 0.042 | 1.040 AU | 1.130 AU | 14.6° | 1.14 yr | 23.3 LD | No |
| (2026 RX38) | APO | 1.690 AU | 0.541 | 0.774 AU | 2.600 AU | 1.2° | 2.20 yr | 9.9 LD | No |
| (2018 SP2) | ATE | 0.925 AU | 0.206 | 0.735 AU | 1.110 AU | 26.8° | 0.89 yr | 5.0 LD | No |
| (2023 WV23) | ATE | 0.837 AU | 0.267 | 0.613 AU | 1.060 AU | 1.6° | 0.77 yr | 28.5 LD | No |
| (2013 HO11) | APO | 1.190 AU | 0.234 | 0.915 AU | 1.470 AU | 3.7° | 1.30 yr | 25.2 LD | No |
| (2019 AS2) | APO | 1.580 AU | 0.399 | 0.951 AU | 2.220 AU | 4.2° | 1.99 yr | 4.5 LD | No |
| (2023 TC2) | AMO | 2.080 AU | 0.500 | 1.040 AU | 3.130 AU | 10.4° | 3.00 yr | 29.9 LD | No |
| (2026 RP39) | APO | 1.660 AU | 0.399 | 0.997 AU | 2.320 AU | 3.7° | 2.14 yr | 6.1 LD | No |
| (2024 SH7) | AMO | 1.590 AU | 0.360 | 1.020 AU | 2.160 AU | 17.5° | 2.00 yr | 10.5 LD | No |
| (2021 RF2) | ATE | 0.884 AU | 0.231 | 0.679 AU | 1.090 AU | 4.2° | 0.83 yr | 25.7 LD | No |
| (2024 TD16) | APO | 1.580 AU | 0.368 | 1.000 AU | 2.170 AU | 19.1° | 1.99 yr | 14.1 LD | No |
| (2015 TS238) | APO | 1.140 AU | 0.499 | 0.573 AU | 1.710 AU | 3.3° | 1.22 yr | 4.7 LD | No |
| (2026 RR51) | AMO | 1.840 AU | 0.428 | 1.050 AU | 2.630 AU | 10.2° | 2.50 yr | 26.7 LD | No |
| (2019 SD8) | APO | 1.760 AU | 0.503 | 0.876 AU | 2.650 AU | 3.7° | 2.33 yr | 18.6 LD | No |
| (2023 JE5) | APO | 1.340 AU | 0.350 | 0.870 AU | 1.800 AU | 0.9° | 1.55 yr | 29.6 LD | No |
| (2023 FF5) | APO | 1.190 AU | 0.307 | 0.826 AU | 1.560 AU | 19.0° | 1.30 yr | 28.4 LD | No |
| 678976 (2018 EH4) | APO | 2.060 AU | 0.612 | 0.798 AU | 3.320 AU | 6.2° | 2.96 yr | 21.9 LD | Yes |
| (2026 AC4) | APO | 1.020 AU | 0.043 | 0.978 AU | 1.070 AU | 0.1° | 1.03 yr | 25.3 LD | No |
| (2020 YM1) | ATE | 0.905 AU | 0.115 | 0.800 AU | 1.010 AU | 2.6° | 0.86 yr | 24.3 LD | No |
| (2022 UP6) | APO | 1.210 AU | 0.269 | 0.886 AU | 1.540 AU | 10.1° | 1.33 yr | 2.6 LD | No |
| (2000 SZ162) | ATE | 0.929 AU | 0.168 | 0.773 AU | 1.080 AU | 0.9° | 0.90 yr | 19.8 LD | No |
| 679786 (2020 QG3) | APO | 2.090 AU | 0.565 | 0.908 AU | 3.270 AU | 7.4° | 3.02 yr | 21.4 LD | Yes |
| (2020 FN3) | APO | 1.010 AU | 0.208 | 0.802 AU | 1.220 AU | 0.9° | 1.02 yr | 12.3 LD | No |
| (2026 RH79) | APO | 2.040 AU | 0.643 | 0.728 AU | 3.360 AU | 4.3° | 2.91 yr | 21.8 LD | No |
| (2017 UX7) | APO | 1.180 AU | 0.245 | 0.893 AU | 1.470 AU | 14.6° | 1.28 yr | 16.9 LD | No |
| (2023 ML3) | APO | 2.130 AU | 0.611 | 0.829 AU | 3.430 AU | 5.1° | 3.11 yr | 31.1 LD | No |
| (2025 UU) | ATE | 0.993 AU | 0.292 | 0.703 AU | 1.280 AU | 19.0° | 0.99 yr | 21.3 LD | No |
| (2022 UP20) | APO | 1.000 AU | 0.135 | 0.867 AU | 1.140 AU | 17.2° | 1.00 yr | 23.9 LD | No |
| (2017 UQ7) | APO | 1.080 AU | 0.419 | 0.628 AU | 1.540 AU | 8.5° | 1.12 yr | 26.6 LD | No |
| (2018 GS1) | APO | 1.080 AU | 0.111 | 0.963 AU | 1.200 AU | 17.1° | 1.12 yr | 11.0 LD | No |
| (2026 KO) | APO | 1.030 AU | 0.078 | 0.950 AU | 1.110 AU | 13.9° | 1.05 yr | 21.2 LD | No |
| (2022 UV21) | APO | 1.590 AU | 0.391 | 0.968 AU | 2.210 AU | 9.4° | 2.00 yr | 14.7 LD | No |
| (2022 UD21) | APO | 1.580 AU | 0.375 | 0.991 AU | 2.180 AU | 18.4° | 1.99 yr | 20.5 LD | No |
| (2015 WZ12) | ATE | 0.721 AU | 0.413 | 0.424 AU | 1.020 AU | 3.6° | 0.61 yr | 26.7 LD | No |
| (2025 UK9) | APO | 1.000 AU | 0.263 | 0.737 AU | 1.260 AU | 2.3° | 1.00 yr | 0.8 LD | No |
| 612856 (2004 TP1) | APO | 1.290 AU | 0.389 | 0.789 AU | 1.790 AU | 7.5° | 1.47 yr | 24.2 LD | Yes |
| 524522 Zoozve (2002 VE68) | ATE | 0.724 AU | 0.410 | 0.427 AU | 1.020 AU | 9.0° | 0.62 yr | 15.7 LD | Yes |
| (2021 VC4) | ATE | 0.886 AU | 0.368 | 0.560 AU | 1.210 AU | 2.4° | 0.83 yr | 6.0 LD | No |
| (2021 JA4) | APO | 1.310 AU | 0.285 | 0.939 AU | 1.690 AU | 25.1° | 1.50 yr | 22.5 LD | No |
| (2017 WJ2) | ATE | 0.934 AU | 0.161 | 0.784 AU | 1.080 AU | 21.9° | 0.90 yr | 15.6 LD | No |
| (2016 VZ1) | APO | 1.070 AU | 0.138 | 0.924 AU | 1.220 AU | 24.0° | 1.11 yr | 19.9 LD | No |
| (2001 KF54) | APO | 2.340 AU | 0.650 | 0.818 AU | 3.860 AU | 1.6° | 3.58 yr | 18.8 LD | Yes |
| (2025 VN) | ATE | 0.994 AU | 0.299 | 0.697 AU | 1.290 AU | 12.9° | 0.99 yr | 22.9 LD | No |
| (2007 VV83) | ATE | 0.967 AU | 0.098 | 0.872 AU | 1.060 AU | 10.1° | 0.95 yr | 21.7 LD | No |
| (2024 VV1) | AMO | 1.580 AU | 0.346 | 1.040 AU | 2.130 AU | 8.3° | 1.99 yr | 27.7 LD | No |
| (2022 TB41) | APO | 1.590 AU | 0.381 | 0.987 AU | 2.200 AU | 5.2° | 2.00 yr | 23.9 LD | No |
| (2025 UF5) | APO | 1.010 AU | 0.087 | 0.918 AU | 1.090 AU | 3.3° | 1.02 yr | 18.8 LD | No |
| (2015 VH65) | ATE | 0.852 AU | 0.228 | 0.657 AU | 1.050 AU | 13.4° | 0.79 yr | 9.7 LD | No |
| (2012 YD7) | ATE | 0.879 AU | 0.218 | 0.687 AU | 1.070 AU | 2.5° | 0.82 yr | 18.5 LD | No |
| (2023 VF3) | ATE | 0.826 AU | 0.344 | 0.541 AU | 1.110 AU | 5.6° | 0.75 yr | 8.4 LD | No |
| (2021 VY4) | ATE | 0.887 AU | 0.404 | 0.529 AU | 1.250 AU | 16.6° | 0.84 yr | 29.3 LD | No |
| (2022 MP2) | ATE | 0.985 AU | 0.185 | 0.803 AU | 1.170 AU | 1.1° | 0.98 yr | 19.7 LD | No |
| (2025 VG5) | APO | 1.000 AU | 0.025 | 0.979 AU | 1.030 AU | 8.9° | 1.00 yr | 18.1 LD | No |
| (2019 VL5) | ATE | 0.997 AU | 0.279 | 0.719 AU | 1.280 AU | 1.8° | 1.00 yr | 24.8 LD | No |
| 363790 (2005 JE46) | APO | 1.900 AU | 0.552 | 0.852 AU | 2.950 AU | 8.3° | 2.62 yr | 20.0 LD | Yes |
| (2020 XM1) | ATE | 0.823 AU | 0.331 | 0.551 AU | 1.100 AU | 34.4° | 0.75 yr | 27.8 LD | No |
| (2023 VE6) | APO | 2.080 AU | 0.531 | 0.978 AU | 3.190 AU | 7.3° | 3.00 yr | 18.3 LD | No |
| (2023 VT7) | APO | 1.310 AU | 0.241 | 0.994 AU | 1.620 AU | 17.9° | 1.50 yr | 22.0 LD | No |
| (2009 WD54) | ATE | 0.818 AU | 0.296 | 0.576 AU | 1.060 AU | 3.0° | 0.74 yr | 24.5 LD | No |
| (2019 WT1) | ATE | 0.847 AU | 0.264 | 0.623 AU | 1.070 AU | 11.0° | 0.78 yr | 19.6 LD | No |
| (2018 NE1) | APO | 1.940 AU | 0.572 | 0.831 AU | 3.050 AU | 3.1° | 2.70 yr | 16.6 LD | No |
| (2019 VF1) | APO | 1.450 AU | 0.572 | 0.621 AU | 2.280 AU | 12.6° | 1.75 yr | 23.4 LD | No |