Asteroid 251346 2007 SJ
251346 2007 SJ is a near-Earth asteroid roughly 1.7 km across, mountain-sized. Its closest recorded pass was on 3 Feb 1974 at 18.5 lunar distances.
Estimated size
1.7 km
mountain-sized
Closest pass on record
18.51 LD
3 Feb 1974
Speed relative to Earth
9.4 km/s
Brightness (H)
16.88
Lower means larger
Past close approaches
Recorded passes within about 20 lunar distances since 1900.