Asteroid 2026 GN18
2026 GN18 is on NASA's Sentry list of objects that cannot yet be fully ruled out as future impactors.
Estimated size
733 m
about the size of a small town
Closest pass on record
—
Speed relative to Earth
14.2 km/s
Brightness (H)
18.33
Lower means larger
Past close approaches
Recorded passes within about 20 lunar distances since 1900.
No past close approaches in our records.