Asteroid 143487 2003 CR20
143487 2003 CR20 is a near-Earth asteroid roughly 648 m across, about the size of a small town. Its closest recorded pass was on 12 Mar 1904 at 19.1 lunar distances.
Estimated size
648 m
about the size of a small town
Closest pass on record
19.10 LD
12 Mar 1904
Speed relative to Earth
23.7 km/s
Brightness (H)
18.94
Lower means larger
Past close approaches
Recorded passes within about 20 lunar distances since 1900.