Themisto, a moon of Jupiter
Classification
Natural satellite of Jupiter
Average distance from Jupiter
7,396,130 km
4,595,733 miles
4,595,733 miles
Diameter across equator
9 km
6 miles
6 miles
Time to orbit Jupiter
139 days
Year of Discovery
1975
Origin of Name
Daughter of the River god Inachus. It received its name in 2002. The reason it wasn't named sooner was that after its first observation in 1975, the moon was lost and wasn't found again until 2000!
