Asteroid 2018 CH
2018 CH is a near-Earth asteroid roughly 21 m across, about the size of a house. Its closest recorded pass was on 31 Jan 1959 at 2.9 lunar distances.
Estimated size
21 m
about the size of a house
Closest pass on record
2.94 LD
31 Jan 1959
Speed relative to Earth
10.5 km/s
Brightness (H)
26.4
Lower means larger
Past close approaches
Recorded passes within about 20 lunar distances since 1900.