Asteroid 2012 MS4
2012 MS4 is a near-Earth asteroid roughly 730 m across, about the size of a small town. Its closest recorded pass was on 16 Dec 1909 at 13.8 lunar distances.
Estimated size
730 m
about the size of a small town
Closest pass on record
13.76 LD
16 Dec 1909
Speed relative to Earth
40.7 km/s
Brightness (H)
18.68
Lower means larger
Past close approaches
Recorded passes within about 20 lunar distances since 1900.