Asteroid 2007 KO4
2007 KO4 is on NASA's Sentry list of objects that cannot yet be fully ruled out as future impactors.
Estimated size
76 m
about the size of a football pitch
Closest pass on record
—
Speed relative to Earth
13.8 km/s
Brightness (H)
23.26
Lower means larger
Past close approaches
Recorded passes within about 20 lunar distances since 1900.
No past close approaches in our records.