Asteroid 2021 MJ
2021 MJ is a near-Earth asteroid roughly 323 m across, about the size of a stadium. Its closest recorded pass was on 24 Jul 1908 at 13.5 lunar distances.
Estimated size
323 m
about the size of a stadium
Closest pass on record
13.50 LD
24 Jul 1908
Speed relative to Earth
19.5 km/s
Brightness (H)
20.45
Lower means larger
Past close approaches
Recorded passes within about 20 lunar distances since 1900.