(385571) 2004 UP10

2004 UP10 ( UP10 written in 2004 ) was the second known Neptune Trojans. He was by astronomers Scott S. Sheppard, Chad Trujillo and David C. Jewitt by observations between 16 October and 14 December 2004 with the Magellan Baade telescope at Las Campanas Observatory and the Subaru telescope on Mauna Kea discovered.

2004 UP10 moves at a distance of 29.440 ( perihelion ) to 30.702 ( aphelion ) astronomical units in almost 165 years of the sun. The orbit is inclined 1.433 ° to the ecliptic, the orbital eccentricity is 0.021.

Due to the absolute magnitude of 8.9 like it can be estimated that the diameter of 2004 UP10 is less than 100 kilometers.