Asteroid 152770 1999 RR28
152770 1999 RR28 is a near-Earth asteroid roughly 827 m across, about the size of a small town. Its closest recorded pass was on 11 Oct 1922 at 14.3 lunar distances.
Estimated size
827 m
about the size of a small town
Closest pass on record
14.31 LD
11 Oct 1922
Speed relative to Earth
18.7 km/s
Brightness (H)
18.41
Lower means larger
Past close approaches
Recorded passes within about 20 lunar distances since 1900.