Moon
Triton
Largest moon of Neptune
A captured world orbiting backwards
Triton orbits opposite to Neptune's rotation, suggesting it is a captured Kuiper Belt object. Voyager 2 saw nitrogen geysers on its frigid surface.
Key facts
Distance
354,800 km from Neptune
Diameter
2,707 km
Orbital period
5.88 days (retrograde)
Discovered
1846, Lassell
Orbits
Neptune
Did you know
- Surface temperature is about −235 °C.
- Tidal forces are slowly pulling it toward Neptune.
- It was found just 17 days after Neptune itself.
