Asteroid 2010 RF12
2010 RF12 is a near-Earth asteroid roughly 8 m across, about the size of a bus. Its closest recorded pass was on 10 Sept 1915 at 1.2 lunar distances.
Estimated size
8 m
about the size of a bus
Closest pass on record
1.21 LD
10 Sept 1915
Speed relative to Earth
5.2 km/s
Brightness (H)
28.42
Lower means larger
Past close approaches
Recorded passes within about 20 lunar distances since 1900.