Asteroid 2017 UR4
2017 UR4 is a near-Earth asteroid roughly 302 m across, about the size of a stadium. Its closest recorded pass was on 18 Apr 1972 at 11.7 lunar distances.
Estimated size
302 m
about the size of a stadium
Closest pass on record
11.71 LD
18 Apr 1972
Speed relative to Earth
13.6 km/s
Brightness (H)
20.6
Lower means larger
Past close approaches
Recorded passes within about 20 lunar distances since 1900.