Asteroid 277475 2005 WK4
277475 2005 WK4 is a near-Earth asteroid roughly 359 m across, about the size of a stadium. Its closest recorded pass was on 9 Aug 1956 at 7.3 lunar distances.
Estimated size
359 m
about the size of a stadium
Closest pass on record
7.26 LD
9 Aug 1956
Speed relative to Earth
9.3 km/s
Brightness (H)
20.22
Lower means larger
Past close approaches
Recorded passes within about 20 lunar distances since 1900.