Asteroid 163697 2003 EF54
163697 2003 EF54 is a near-Earth asteroid roughly 383 m across, about the size of a stadium. Its closest recorded pass was on 13 Aug 1958 at 16.2 lunar distances.
Estimated size
383 m
about the size of a stadium
Closest pass on record
16.17 LD
13 Aug 1958
Speed relative to Earth
11.1 km/s
Brightness (H)
20.08
Lower means larger
Past close approaches
Recorded passes within about 20 lunar distances since 1900.