Asteroid 2021 CW4
2021 CW4 is a near-Earth asteroid roughly 467 m across, about the size of a small town. Its closest recorded pass was on 30 Sept 1948 at 14.9 lunar distances.
Estimated size
467 m
about the size of a small town
Closest pass on record
14.91 LD
30 Sept 1948
Speed relative to Earth
13.3 km/s
Brightness (H)
19.65
Lower means larger
Past close approaches
Recorded passes within about 20 lunar distances since 1900.