Asteroid 2021 UT
2021 UT is a near-Earth asteroid roughly 5 m across, about the size of a bus. Its closest recorded pass was on 12 Apr 1977 at 2.6 lunar distances.
Estimated size
5 m
about the size of a bus
Closest pass on record
2.61 LD
12 Apr 1977
Speed relative to Earth
10.8 km/s
Brightness (H)
29.3
Lower means larger
Past close approaches
Recorded passes within about 20 lunar distances since 1900.