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Physical Properties
615 km
1.75e21 kg
22.4 h
0.14
Orbit
Sun
67.21 AU
0.4988
30.627°
551.8 yr
Notable Moons
Sources & Further Reading
Numerical values (radius, mass, orbital elements, temperatures) are drawn from NASA NSSDC Planetary Fact Sheets, JPL Horizons, and the JPL Small-Body Database. Last refreshed: 2026-04-18 18:19:28.
225088 Gonggong is a trans-Neptunian object in the scattered disc and a dwarf-planet candidate, with one known moon (Xiangliu). Its deep red color is consistent with methane ice and tholins on the surface.