Asteroid 99942 Apophis 2004 MN4
99942 Apophis 2004 MN4 is a near-Earth asteroid roughly 340 m across, about the size of a stadium. Its closest recorded pass was on 14 Apr 1949 at 10.9 lunar distances.
Estimated size
340 m
about the size of a stadium
Closest pass on record
10.88 LD
14 Apr 1949
Speed relative to Earth
5.1 km/s
Brightness (H)
19.09
Lower means larger
Past close approaches
Recorded passes within about 20 lunar distances since 1900.