Asteroid 2017 BS31
2017 BS31 is a near-Earth asteroid roughly 163 m across, about the size of a stadium. Its closest recorded pass was on 15 Feb 1912 at 16.9 lunar distances.
Estimated size
163 m
about the size of a stadium
Closest pass on record
16.91 LD
15 Feb 1912
Speed relative to Earth
17.8 km/s
Brightness (H)
21.94
Lower means larger
Past close approaches
Recorded passes within about 20 lunar distances since 1900.