Near-Earth Asteroid Tracker

Live close approach data from NASA · Updated hourly

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Asteroid: (2010 HG20)

Notable 2026-Nov-22 03:45 UTC

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

Historical context

This object passes within 42.45 LD of Earth. Approaches this close (within 43 LD) are recorded several times per month across all tracked near-Earth objects.

Size comparison

Estimated diameter: 139–312m — about the height of the Eiffel Tower (330m).

If it were to strike Earth (it won't), the estimated impact energy would be approximately 158 megatons of TNT.

Closest distance
42.45 LD
16.3 million km
Relative velocity
10.48 km/s
37,711 km/h
Diameter estimate
~226m
139–312m range
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