Asteroid 2021 PC9
2021 PC9 is a near-Earth asteroid roughly 229 m across, about the size of a stadium. Its closest recorded pass was on 3 Feb 1976 at 17.5 lunar distances.
Estimated size
229 m
about the size of a stadium
Closest pass on record
17.46 LD
3 Feb 1976
Speed relative to Earth
22.0 km/s
Brightness (H)
21.2
Lower means larger
Past close approaches
Recorded passes within about 20 lunar distances since 1900.