Near-Earth Asteroid Tracker

Live close approach data from NASA · Updated hourly

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Asteroid: (2011 UB131)

Notable 2026-Nov-13 12:47 UTC

Notable approach — Unusually close or large, but poses no risk.

Historical context

This object passes within 98.94 LD of Earth. Approaches this close (within 99 LD) are recorded several times per month across all tracked near-Earth objects.

Size comparison

Estimated diameter: 138–309m — about the height of the Eiffel Tower (330m).

If it were to strike Earth (it won't), the estimated impact energy would be approximately 468 megatons of TNT.

Closest distance
98.94 LD
38.1 million km
Relative velocity
18.28 km/s
65,823 km/h
Diameter estimate
~224m
138–309m range
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