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Gonggong (A.K.A 2007 OR10) is a dwarf planet in the Kuiper belt.

Overview

It is the fifth largest object beyond Neptune, and has a gravitationally rounded shape, despite its small size. Gonggong also has a small moon which was discovered during analysis of archival Hubble images taken by Hubble's wide field camera 3.

Discovery

It was discovered on the 17th July 2007 by the Palomar Observatory near San Diego, California. The discovery was initially part of the Palomar Distant Solar System Survey, a survey conducted to find distant objects in the region of Sedna, beyond 50 astronomical units from the Sun.

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