(2011 UD256)

Notable 2026-May-22 16:26 UTC

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

Historical context

This object passes within 161.47 LD of Earth. Approaches this close (within 162 LD) are recorded several times per month across all tracked near-Earth objects.

Size comparison

Estimated diameter: 278–622m — about the size of a large sports stadium.

If it were to strike Earth (it won't), the estimated impact energy would be approximately 14,491 megatons of TNT.

Closest distance
161.47 LD
62.1 million km
Relative velocity
35.61 km/s
128,184 km/h
Diameter estimate
~450m
278–622m range
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