Asteroid 2024 ON
2024 ON is a near-Earth asteroid roughly 317 m across, about the size of a stadium. Its closest recorded pass was on 20 Sept 1940 at 5.2 lunar distances.
Estimated size
317 m
about the size of a stadium
Closest pass on record
5.17 LD
20 Sept 1940
Speed relative to Earth
8.9 km/s
Brightness (H)
20.49
Lower means larger
Past close approaches
Recorded passes within about 20 lunar distances since 1900.