Near-Earth Asteroid Tracker

Live close approach data from NASA · Updated hourly

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Asteroid: 260277 (2004 TR12)

Notable 2026-Sep-18 12:25 UTC

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

Historical context

This object passes within 79.05 LD of Earth. Approaches this close (within 80 LD) are recorded several times per month across all tracked near-Earth objects.

Size comparison

Estimated diameter: 590–1318m — the width of a small town.

If it were to strike Earth (it won't), the estimated impact energy would be approximately 25,934 megatons of TNT.

Closest distance
79.05 LD
30.4 million km
Relative velocity
15.45 km/s
55,618 km/h
Diameter estimate
~954m
590–1318m range
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