Open Earth

Asteroid 2023 CS1

2023 CS1 is a near-Earth asteroid roughly 34 m across, about the size of a house. Its closest recorded pass was on 29 Feb 1964 at 4.4 lunar distances.

Estimated size

34 m

about the size of a house

Closest pass on record

4.44 LD

29 Feb 1964

Speed relative to Earth

8.5 km/s

Brightness (H)

25.31

Lower means larger

Past close approaches

Recorded passes within about 20 lunar distances since 1900.