(2019 UN4)

Notable 2026-May-04 14:00 UTC

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

Historical context

This object passes within 27.34 LD of Earth. Approaches this close (within 28 LD) are recorded several times per month across all tracked near-Earth objects.

Size comparison

Estimated diameter: 73–164m — about the size of a city block.

If it were to strike Earth (it won't), the estimated impact energy would be approximately 26 megatons of TNT.

Closest distance
27.34 LD
10.5 million km
Relative velocity
11.20 km/s
40,319 km/h
Diameter estimate
~118m
73–164m range
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