Close Approach Record

Asteroid (2020 YM1)

Closest pass on 2026-Oct-15 01:43 TDB (Julian Date: 2461328.571772288)

Key Facts

  • On 2026-Oct-15 01:43, asteroid (2020 YM1) passed Earth at a nominal distance of 9,340,000 km (24.3 lunar distances).
  • At closest approach, the object was traveling at 4.11 km/s relative to Earth.
  • The object has an estimated size of 4.08 m, which is about the size of a family car.
  • The miss distance was about 24 times the distance to the Moon.
  • Hazard classification: Under 10 meters. Typically burns up harmlessly high in the upper atmosphere, producing a bright meteor fireball with negligible ground risk and occasional small meteorite fragments.

Visual Scale Comparison

adult human 1.7 m Asteroid 2020 YM1 about the size of a family car ~4 m family car 4.5 m
Scale ladder data
Target4 m
Smalleradult human: 1.7 m
Largerfamily car: 4.5 m

Object size compared to known reference benchmarks.

Miss Distance Orbital Dial

Moon Orbit (1 LD = 384,400 km) 24.3 LD Earth

Concentric orbital rings showing Earth, Moon orbit, and asteroid trajectory.

Astrometric & Orbital Parameters

Designation2020 YM1
Full Object Name(2020 YM1)
Nominal Miss Distance9,340,000 km (24.3 lunar distances / 0.0624588166058489 au)
3-Sigma Minimum Distance7,925,018.974 km (20.617 LD)
Relative Velocity (v_rel)4.11037693763384 km/s (about 5 rifle bullets)
Velocity at Infinity (v_inf)4.09998524517199 km/s
Time Uncertainty (3-sigma)1_02:25
Absolute Magnitude (H)29.7 mag
Orbit Solution ID2 (NASA JPL Small-Body Database)
Inside Moon OrbitNo
Inside Geostationary RingNo

Cite this page

Permanent URL: https://whatnearlyhitus.com/approaches/2026-Oct-15/2020-ym1/ | Machine-readable twin: index.json

APA:
What Nearly Hit Us Project. (2026). Asteroid (2020 YM1) Close Approach on 2026-Oct-15 01:43. What Nearly Hit Us. Retrieved from https://whatnearlyhitus.com/approaches/2026-Oct-15/2020-ym1/
MLA:
"Asteroid (2020 YM1) Close Approach on 2026-Oct-15 01:43." What Nearly Hit Us, What Nearly Hit Us Project, 2026-09-24, https://whatnearlyhitus.com/approaches/2026-Oct-15/2020-ym1/.
BibTeX:
@misc{approach_2020YM1_202615,
  title = {Asteroid (2020 YM1) Close Approach on 2026-Oct-15 01:43},
  author = {{What Nearly Hit Us Project}},
  year = {2026},
  url = {https://whatnearlyhitus.com/approaches/2026-Oct-15/2020-ym1/},
  note = {Primary upstream source: NASA/JPL CNEOS CAD API}
}