Visit the USGS Home Page Go to the Astrogeology Research Program Home Page

Triton

[Image of Triton]

Mean Radius:
1352.6 km

Mass:
2.14x1022 kg

Orbital Period:
5.88 Earth days

Rotation Period:
5.88 Earth days

Orbit:
355,000 km from Neptune


Triton is the largest of eight known moons orbiting Neptune. The smaller moons are Naiad, Thalassa, Despina, Galatea, Larissa, Proteus, and Nereid.


Web Pages with Information about Triton

Astrogeology Research Program

Browse the Solar System: Interactive version of our popular poster Mapping the Solar System
Browse the Geologic Solar System: Interactive version of our popular poster Geology of the Solar System
Planetary Maps: Searchable comprehensive listing of published planetary maps, with links to digital versions when available.
Geologic Mapping: Download digital geologic maps, learn about our geologic mapping efforts, and access geologic mapping resources from the Planetary Geologic Mapping Program
Gazetteer of Planetary Nomenclature: Information about and access to the official International Astromical Union approved names for planetary features
Cartographic Coordinates and Rotational Elements of the Planets and Satellites - IAU Working Group: IAU CCRE Working Group, information, publications, and references, including tables of the accepted values for the size, shape, and rotations of the planets and satellites
NASA Planetary Photojournal: Images from various Solar System exploration programs
Workshop on Remote Sensing of Planetary Ices: Earth and other Solid Bodies - information and abstracts from the 1997 workshop held at the USGS Flagstaff Field Center

Other Web Sites