Asteroid 2022 KM4
2022 KM4 is on NASA's Sentry list of objects that cannot yet be fully ruled out as future impactors.
Estimated size
220 m
about the size of a stadium
Closest pass on record
—
Speed relative to Earth
25.0 km/s
Brightness (H)
20.95
Lower means larger
Past close approaches
Recorded passes within about 20 lunar distances since 1900.
No past close approaches in our records.