Near-Earth Asteroid Tracker

Live close approach data from NASA · Updated hourly

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Asteroid: (2015 MO66)

Notable 2026-Jun-28 22:37 UTC

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

Historical context

This object passes within 93.81 LD of Earth. Approaches this close (within 94 LD) are recorded several times per month across all tracked near-Earth objects.

Size comparison

Estimated diameter: 254–568m — about the size of a large sports stadium.

If it were to strike Earth (it won't), the estimated impact energy would be approximately 3,868 megatons of TNT.

Closest distance
93.81 LD
36.1 million km
Relative velocity
21.12 km/s
76,034 km/h
Diameter estimate
~411m
254–568m range
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