Asteroid 2021 HM
2021 HM is a near-Earth asteroid roughly 32 m across, about the size of a house. Its closest recorded pass was on 26 Apr 1958 at 4.9 lunar distances.
Estimated size
32 m
about the size of a house
Closest pass on record
4.90 LD
26 Apr 1958
Speed relative to Earth
6.8 km/s
Brightness (H)
25.5
Lower means larger
Past close approaches
Recorded passes within about 20 lunar distances since 1900.