Asteroid 2021 PJ1
2021 PJ1 is a near-Earth asteroid roughly 28 m across, about the size of a house. Its closest recorded pass was on 18 Jan 1998 at 2.3 lunar distances.
Estimated size
28 m
about the size of a house
Closest pass on record
2.31 LD
18 Jan 1998
Speed relative to Earth
9.4 km/s
Brightness (H)
25.78
Lower means larger
Past close approaches
Recorded passes within about 20 lunar distances since 1900.