Near-Earth Asteroid Tracker

Live close approach data from NASA · Updated hourly

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Asteroid: 488509 (2000 UW13)

Notable 2026-Oct-26 04:00 UTC

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

Historical context

This object passes within 172.73 LD of Earth. Approaches this close (within 173 LD) are recorded several times per month across all tracked near-Earth objects.

Size comparison

Estimated diameter: 201–449m — about the height of the Eiffel Tower (330m).

If it were to strike Earth (it won't), the estimated impact energy would be approximately 1,488 megatons of TNT.

Closest distance
172.73 LD
66.4 million km
Relative velocity
18.63 km/s
67,073 km/h
Diameter estimate
~325m
201–449m range
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