Moon
A porous, potato shaped shepherd moon whose gravity carves dark channels into the inner edge of Saturn's F ring.
| Type | Moon |
|---|---|
| Orbits | Saturn |
| Distance from parent body | 139,380 km |
| Diameter | 86 km |
| Mass | 1.60 × 10^17 kg |
| Surface gravity | 5.70e-3 m/s² |
| Temperature | -195°C |
| Orbital period | 1 days |
| Apparent magnitude | 15.8 |
| Redshift | 0 |
At 86 km across, Prometheus is 2.5 percent of the diameter of Earth's Moon.
Its mass is less than a thousandth of the mass of Earth.
It orbits Saturn at 139,380 km, closer in than the Moon orbits Earth.
A single orbit takes 14.7 hours.
An average temperature of 78 K works out at -195 degrees Celsius, colder than the 15 degrees Earth averages.
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