Moon
The largest moon in the solar system, bigger than the planet Mercury.
| Type | Moon |
|---|---|
| Orbits | Jupiter |
| Distance from parent body | 1,070,400 km |
| Diameter | 5,268 km |
| Mass | 1.48 × 10^23 kg |
| Surface gravity | 1.43 m/s² |
| Temperature | -163°C |
| Orbital period | 7 days |
| Apparent magnitude | 4.6 |
| Redshift | 0 |
| Discovered | 1610 |
At 5,268 km across, Ganymede is 1.5 times the diameter of Earth's Moon.
Its mass is 2.5 percent of the mass of Earth.
It orbits Jupiter at 1,070,400 km, further out than the Moon orbits Earth.
A single orbit takes 7.2 days.
An average temperature of 110 K works out at -163 degrees Celsius, colder than the 15 degrees Earth averages.
It has been on record since 1610.
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