Despina
Neptune 805 Despina
📋 A written introduction is coming — for now this page shows official values only.
Physical data
- Mean radius
- 74 km
- GM
- 0.11673 km³/s²
- Density
- 1.0304 g/cm³
Source:NASA JPL Solar System Dynamics · checked 2026-11-02 ↗
Orbit
- Semi-major axis
- 52,600 km
- Eccentricity
- 0.001
- Inclination
- 0°
- Orbital period
- 0.3347 days
- Retrograde
- No
Source:NASA JPL Solar System Dynamics · checked 2026-11-02 ↗
Related
Parent body
In everyday life
- About 148 km across — 37% of the 400 km Seoul–Busan expressway.
- One orbit takes about 8 hours — more than 3 orbits a day.
- About 52,600 km from Neptune on average — 132 drives along the 400 km Seoul–Busan expressway.