Asteroid 1999 UR
1999 UR is a near-Earth asteroid roughly 199 m across, about the size of a stadium. Its closest recorded pass was on 29 Oct 1923 at 6.9 lunar distances.
Estimated size
199 m
about the size of a stadium
Closest pass on record
6.90 LD
29 Oct 1923
Speed relative to Earth
8.9 km/s
Brightness (H)
21.5
Lower means larger
Past close approaches
Recorded passes within about 20 lunar distances since 1900.