Asteroid 2021 MK1
2021 MK1 is a near-Earth asteroid roughly 216 m across, about the size of a stadium. Its closest recorded pass was on 26 Jun 1923 at 0.9 lunar distances.
Estimated size
216 m
about the size of a stadium
Closest pass on record
0.95 LD
26 Jun 1923
Speed relative to Earth
10.5 km/s
Brightness (H)
21.32
Lower means larger
Past close approaches
Recorded passes within about 20 lunar distances since 1900.