Triton
CategoryMoon of Neptune
SystemSolar System
Diameter2707 km
Orbital Period5.88 days
About Triton
The only large moon that orbits in the opposite direction of its planets rotation. Has active geysers that erupt nitrogen gas. Surface temperature of -235C is the coldest measured surface in the solar system. Likely a captured Kuiper Belt object. Has a thin nitrogen atmosphere. Predicted to eventually break apart and form a ring around Neptune.
More Moon of Neptunes
Nereid
The third largest moon of Neptune, discovered by Gerard Kuiper in 1949. Has the most eccen...
Proteus
The second largest moon of Neptune and one of the largest irregularly shaped moons known. ...
Larissa
The fifth closest moon of Neptune. First detected in 1981 when it briefly blocked a distan...
Despina
A small moon of Neptune orbiting very close to the planet. Discovered in Voyager 2 images ...