Open Earth

Asteroid 374158 2004 UL

374158 2004 UL is a near-Earth asteroid roughly 744 m across, about the size of a small town. Its closest recorded pass was on 29 Oct 1977 at 14.2 lunar distances.

Estimated size

744 m

about the size of a small town

Closest pass on record

14.18 LD

29 Oct 1977

Speed relative to Earth

36.5 km/s

Brightness (H)

18.64

Lower means larger

Past close approaches

Recorded passes within about 20 lunar distances since 1900.