Asteroid 505657 2014 SR339
505657 2014 SR339 is a near-Earth asteroid roughly 971 m across, about the size of a small town. Its closest recorded pass was on 5 Feb 1981 at 16.6 lunar distances.
Estimated size
971 m
about the size of a small town
Closest pass on record
16.57 LD
5 Feb 1981
Speed relative to Earth
17.8 km/s
Brightness (H)
18.48
Lower means larger
Past close approaches
Recorded passes within about 20 lunar distances since 1900.