Asteroid 2010 GM23
2010 GM23 is on NASA's Sentry list of objects that cannot yet be fully ruled out as future impactors.
Estimated size
39 m
about the size of a house
Closest pass on record
—
Speed relative to Earth
13.4 km/s
Brightness (H)
24.67
Lower means larger
Past close approaches
Recorded passes within about 20 lunar distances since 1900.
No past close approaches in our records.