Asteroid 490581 2009 WZ104
490581 2009 WZ104 is a near-Earth asteroid roughly 237 m across, about the size of a stadium. Its closest recorded pass was on 13 Dec 1975 at 12.1 lunar distances.
Estimated size
237 m
about the size of a stadium
Closest pass on record
12.11 LD
13 Dec 1975
Speed relative to Earth
6.4 km/s
Brightness (H)
20.85
Lower means larger
Past close approaches
Recorded passes within about 20 lunar distances since 1900.