Near-Earth Asteroid Tracker

Live close approach data from NASA · Updated hourly

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Asteroid: (2007 TH1)

Potentially hazardous 2026-Oct-21 07:43 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 137.53 LD of Earth. Approaches this close (within 138 LD) are recorded several times per month across all tracked near-Earth objects.

Size comparison

Estimated diameter: 112–250m — about the size of a city block.

If it were to strike Earth (it won't), the estimated impact energy would be approximately 457 megatons of TNT.

Closest distance
137.53 LD
52.9 million km
Relative velocity
24.83 km/s
89,382 km/h
Diameter estimate
~181m
112–250m range
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