Moon
A small inner moon of Neptune whose gravity is thought to hold together the clumpy arcs in the planet's outermost ring.
| Type | Moon |
|---|---|
| Orbits | Neptune |
| Distance from parent body | 61,953 km |
| Diameter | 158 km |
| Mass | 2.85 × 10^18 kg |
| Surface gravity | 0.0304 m/s² |
| Temperature | -222°C |
| Orbital period | 0 days |
| Apparent magnitude | 22 |
| Redshift | 0 |
At 158 km across, Galatea is 4.5 percent of the diameter of Earth's Moon.
Its mass is less than a thousandth of the mass of Earth.
It orbits Neptune at 61,953 km, closer in than the Moon orbits Earth.
A single orbit takes 10.3 hours.
An average temperature of 51 K works out at -222 degrees Celsius, colder than the 15 degrees Earth averages.
Play today's Cosmodle