Asteroid 457768 2009 KN4
457768 2009 KN4 is a near-Earth asteroid roughly 838 m across, about the size of a small town. Its closest recorded pass was on 30 Jul 1963 at 6.9 lunar distances.
Estimated size
838 m
about the size of a small town
Closest pass on record
6.86 LD
30 Jul 1963
Speed relative to Earth
11.2 km/s
Brightness (H)
18.38
Lower means larger
Past close approaches
Recorded passes within about 20 lunar distances since 1900.