Near-Earth Asteroid Tracker

Live close approach data from NASA · Updated hourly

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Asteroid: 524474 (2002 KJ3)

Notable 2026-Jul-20 19:11 UTC

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

Historical context

This object passes within 73.47 LD of Earth. Approaches this close (within 74 LD) are recorded several times per month across all tracked near-Earth objects.

Size comparison

Estimated diameter: 364–813m — about the size of a large sports stadium.

If it were to strike Earth (it won't), the estimated impact energy would be approximately 542 megatons of TNT.

Closest distance
73.47 LD
28.3 million km
Relative velocity
4.61 km/s
16,603 km/h
Diameter estimate
~588m
364–813m range
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