Open Earth

Asteroid 2023 CM3

2023 CM3 is a near-Earth asteroid roughly 8 m across, about the size of a bus. Its closest recorded pass was on 11 Feb 1962 at 4.9 lunar distances.

Estimated size

8 m

about the size of a bus

Closest pass on record

4.89 LD

11 Feb 1962

Speed relative to Earth

5.3 km/s

Brightness (H)

28.44

Lower means larger

Past close approaches

Recorded passes within about 20 lunar distances since 1900.