Asteroid 2015 HR11
2015 HR11 is a near-Earth asteroid roughly 261 m across, about the size of a stadium. Its closest recorded pass was on 23 Oct 1939 at 9.9 lunar distances.
Estimated size
261 m
about the size of a stadium
Closest pass on record
9.92 LD
23 Oct 1939
Speed relative to Earth
16.8 km/s
Brightness (H)
20.91
Lower means larger
Past close approaches
Recorded passes within about 20 lunar distances since 1900.