Asteroid 2023 OS
2023 OS is a near-Earth asteroid roughly 52 m across, about the size of a football pitch. Its closest recorded pass was on 20 Jul 1959 at 2.7 lunar distances.
Estimated size
52 m
about the size of a football pitch
Closest pass on record
2.66 LD
20 Jul 1959
Speed relative to Earth
11.0 km/s
Brightness (H)
24.4
Lower means larger
Past close approaches
Recorded passes within about 20 lunar distances since 1900.