Asteroid 2019 GK21
2019 GK21 is a near-Earth asteroid roughly 29 m across, about the size of a house. Its closest recorded pass was on 10 Apr 1953 at 0.5 lunar distances.
Estimated size
29 m
about the size of a house
Closest pass on record
0.53 LD
10 Apr 1953
Speed relative to Earth
9.3 km/s
Brightness (H)
25.7
Lower means larger
Past close approaches
Recorded passes within about 20 lunar distances since 1900.