Moon
A dark, irregularly shaped moon found in Voyager 2 images that orbits just inside Neptune's Le Verrier ring.
| Type | Moon |
|---|---|
| Orbits | Neptune |
| Distance from parent body | 52,526 km |
| Diameter | 148 km |
| Mass | 1.75 × 10^18 kg |
| Surface gravity | 0.0213 m/s² |
| Temperature | -222°C |
| Orbital period | 0 days |
| Apparent magnitude | 22 |
| Redshift | 0 |
At 148 km across, Despina is 4.3 percent of the diameter of Earth's Moon.
Its mass is less than a thousandth of the mass of Earth.
It orbits Neptune at 52,526 km, closer in than the Moon orbits Earth.
A single orbit takes 8.0 hours.
An average temperature of 51 K works out at -222 degrees Celsius, colder than the 15 degrees Earth averages.
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