Asteroid 2017 HX3
2017 HX3 is a near-Earth asteroid roughly 169 m across, about the size of a stadium. Its closest recorded pass was on 29 May 1963 at 17.0 lunar distances.
Estimated size
169 m
about the size of a stadium
Closest pass on record
16.98 LD
29 May 1963
Speed relative to Earth
13.5 km/s
Brightness (H)
21.86
Lower means larger
Past close approaches
Recorded passes within about 20 lunar distances since 1900.