(8139) 1980 UM₁

(8139) 1980 UM₁ is a Main Belt minor planet. It was discovered by Schelte J. Bus at the Palomar Observatory in San Diego County, California, on October 31, 1980.

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(8138) 1980 FF12•(8139) 1980 UM1• (8140) 1981 EO15

Designation Groups Moons Meanings of names Pronunciation of names

Asteroids	Aten asteroid Families Jupiter Trojans Main-belt Near-Earth Spectral types

Distant minor planets	Centaurs Damocloids Neptune trojans Trans-Neptunian objects Detached Kuiper belt Oort cloud Scattered disc

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