Near-Earth Asteroid Tracker

Live close approach data from NASA · Updated hourly

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Asteroid: (2007 SG11)

Notable 2026-Aug-31 04:10 UTC

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

Historical context

This object passes within 147.39 LD of Earth. Approaches this close (within 148 LD) are recorded several times per month across all tracked near-Earth objects.

Size comparison

Estimated diameter: 77–173m — about the size of a city block.

If it were to strike Earth (it won't), the estimated impact energy would be approximately 71 megatons of TNT.

Closest distance
147.39 LD
56.7 million km
Relative velocity
17.01 km/s
61,242 km/h
Diameter estimate
~125m
77–173m range
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