Asteroid 453729 2011 BO24
453729 2011 BO24 is a near-Earth asteroid roughly 688 m across, about the size of a small town. Its closest recorded pass was on 21 Jun 1956 at 8.1 lunar distances.
Estimated size
688 m
about the size of a small town
Closest pass on record
8.07 LD
21 Jun 1956
Speed relative to Earth
12.0 km/s
Brightness (H)
18.81
Lower means larger
Past close approaches
Recorded passes within about 20 lunar distances since 1900.