Triton
Neptune 801 Triton
📋 A written introduction is coming — for now this page shows official values only.
Physical data
- Mean radius
- 1,352.6 km
- GM
- 1,428.4955 km³/s²
- Density
- 2.0649 g/cm³
Source:NASA JPL Solar System Dynamics · checked 2026-11-02 ↗
Orbit
- Semi-major axis
- 354,800 km
- Eccentricity
- 0
- Inclination
- 157.3°
- Orbital period
- 5.8792 days
- Retrograde
- Yes
Source:NASA JPL Solar System Dynamics · checked 2026-11-02 ↗
Related
Parent body
In everyday life
- Its diameter is about 21% of Earth's (radius 1,353 km ÷ Earth's 6,371 km).
- One orbit takes about 5.9 Earth days.
- About 354,800 km from Neptune on average — 887 drives along the 400 km Seoul–Busan expressway.