Asteroid 153249 2001 BW15
153249 2001 BW15 is a near-Earth asteroid roughly 3.2 km across, mountain-sized. Its closest recorded pass was on 20 Aug 1918 at 19.3 lunar distances.
Estimated size
3.2 km
mountain-sized
Closest pass on record
19.29 LD
20 Aug 1918
Speed relative to Earth
25.9 km/s
Brightness (H)
15.65
Lower means larger
Past close approaches
Recorded passes within about 20 lunar distances since 1900.