Near-Earth Asteroid Tracker

Live close approach data from NASA · Updated hourly

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Asteroid: (2017 FN64)

Notable 2026-Aug-21 18:57 UTC

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

Historical context

This object passes within 120.98 LD of Earth. Approaches this close (within 121 LD) are recorded several times per month across all tracked near-Earth objects.

Size comparison

Estimated diameter: 106–237m — about the size of a city block.

If it were to strike Earth (it won't), the estimated impact energy would be approximately 253 megatons of TNT.

Closest distance
120.98 LD
46.5 million km
Relative velocity
20.07 km/s
72,266 km/h
Diameter estimate
~171m
106–237m range
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