Callisto, a moon of Jupiter
Classification
Natural satellite of Jupiter
Average distance from Jupiter
1,882,700 km
1,169,853 miles
1,169,853 miles
Diameter across equator
4,821 km
2,995 miles
2,995 miles
Time to orbit Jupiter
17 days
Year of Discovery
1610
Origin of Name
A nymph, associated with Artemis, the goddess of the hunt. Simon Marius, who also claimed to discover Jupiter's moons, chose the name Callisto but this name wasn't commonly used until the mid-19th Century. Up to then, it was known as Jupiter IV (4)
