Asteroid 2023 CM
2023 CM is a near-Earth asteroid roughly 201 m across, about the size of a stadium. Its closest recorded pass was on 4 Jul 1957 at 10.5 lunar distances.
Estimated size
201 m
about the size of a stadium
Closest pass on record
10.52 LD
4 Jul 1957
Speed relative to Earth
12.1 km/s
Brightness (H)
21.48
Lower means larger
Past close approaches
Recorded passes within about 20 lunar distances since 1900.