Asteroid 2024 UN
2024 UN is a near-Earth asteroid roughly 19 m across, about the size of a house. Its closest recorded pass was on 21 Oct 1989 at 4.2 lunar distances.
Estimated size
19 m
about the size of a house
Closest pass on record
4.22 LD
21 Oct 1989
Speed relative to Earth
14.2 km/s
Brightness (H)
26.62
Lower means larger
Past close approaches
Recorded passes within about 20 lunar distances since 1900.