Asteroid 2017 GK4
2017 GK4 is a near-Earth asteroid roughly 174 m across, about the size of a stadium. Its closest recorded pass was on 19 Apr 1970 at 15.8 lunar distances.
Estimated size
174 m
about the size of a stadium
Closest pass on record
15.84 LD
19 Apr 1970
Speed relative to Earth
13.9 km/s
Brightness (H)
21.79
Lower means larger
Past close approaches
Recorded passes within about 20 lunar distances since 1900.