Moon
An irregular inner moon discovered by Voyager 1 whose escaping dust forms one of Jupiter's faint gossamer rings.
| Type | Moon |
|---|---|
| Orbits | Jupiter |
| Distance from parent body | 221,900 km |
| Diameter | 99 km |
| Mass | 4.30 × 10^17 kg |
| Surface gravity | 0.0118 m/s² |
| Temperature | -149°C |
| Orbital period | 1 days |
| Apparent magnitude | 15.7 |
| Redshift | 0 |
At 99 km across, Thebe is 2.8 percent of the diameter of Earth's Moon.
Its mass is less than a thousandth of the mass of Earth.
It orbits Jupiter at 221,900 km, closer in than the Moon orbits Earth.
A single orbit takes 16.2 hours.
An average temperature of 124 K works out at -149 degrees Celsius, colder than the 15 degrees Earth averages.
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