Asteroid 2020 UO4
2020 UO4 is a near-Earth asteroid roughly 7 m across, about the size of a bus. Its closest recorded pass was on 23 Oct 1957 at 4.8 lunar distances.
Estimated size
7 m
about the size of a bus
Closest pass on record
4.76 LD
23 Oct 1957
Speed relative to Earth
3.7 km/s
Brightness (H)
28.64
Lower means larger
Past close approaches
Recorded passes within about 20 lunar distances since 1900.