Near-Earth Asteroid Tracker

Live close approach data from NASA · Updated hourly

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Asteroid: 388945 (2008 TZ3)

Potentially hazardous 2026-Jun-12 22:12 UTC

Potentially hazardous by NASA classification — Classified hazardous by NASA due to its size — passing safely. No known asteroid poses an impact risk in the next 100+ years.

Historical context

This object passes within 43.67 LD of Earth. Approaches this close (within 44 LD) are recorded several times per month across all tracked near-Earth objects.

Size comparison

Estimated diameter: 217–485m — about the height of the Eiffel Tower (330m).

If it were to strike Earth (it won't), the estimated impact energy would be approximately 304 megatons of TNT.

Closest distance
43.67 LD
16.8 million km
Relative velocity
7.48 km/s
26,944 km/h
Diameter estimate
~351m
217–485m range
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