Asteroid 2023 SW
2023 SW is a near-Earth asteroid roughly 16 m across, about the size of a house. Its closest recorded pass was on 20 Sept 1974 at 3.1 lunar distances.
Estimated size
16 m
about the size of a house
Closest pass on record
3.11 LD
20 Sept 1974
Speed relative to Earth
12.9 km/s
Brightness (H)
26.97
Lower means larger
Past close approaches
Recorded passes within about 20 lunar distances since 1900.