Asteroid 517103 2013 EM20
517103 2013 EM20 is a near-Earth asteroid roughly 412 m across, about the size of a small town. Its closest recorded pass was on 19 Dec 1930 at 17.2 lunar distances.
Estimated size
412 m
about the size of a small town
Closest pass on record
17.17 LD
19 Dec 1930
Speed relative to Earth
7.4 km/s
Brightness (H)
19.92
Lower means larger
Past close approaches
Recorded passes within about 20 lunar distances since 1900.