Callisto
Callisto is one of the most heavily cratered objects in the solar system.
Observed data
- Diameter
- 4,821 km
- Distance from Sun
- 5.2 AU
- Orbital period
- 16.69 days
- Moons
- 0
- Surface temp.
- -139°C
- Gravity
- 1.235 m/s²
Observed by
- Galileo
- Voyager 1/2
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