TRITON.
An icy moon in a backward orbit.
SCHEMATIC / NOT A SURFACE MAP
01 /
The measured world
- Mean radius
- 1,353.4 km
- Mean diameter
- 2,706.8 km
- Gravity
- 0.779 m/s²
- Orbit around Neptune
- 5.877 Earth days
Rounded reference values. Rotation is sidereal and differs from the solar day. Giant planets have no solid surface; temperature and gravity use atmospheric reference levels. Some moon counts are omitted because discoveries change them.
Compare with Earth