Open Earth

Asteroid 2003 HM

2003 HM is a near-Earth asteroid roughly 150 m across, about the size of a stadium. Its closest recorded pass was on 20 Apr 1940 at 16.4 lunar distances.

Estimated size

150 m

about the size of a stadium

Closest pass on record

16.40 LD

20 Apr 1940

Speed relative to Earth

13.2 km/s

Brightness (H)

22.11

Lower means larger