Dione (2)
Diameter 1,120 km
695 mi.
Distance from primary 377,400 km
234,505 mi.
Nickname(s) Saturn's Turned-Around Moon

Dione is the twelfth moon of Saturn. This moon was discovered by Cassini in 1684. Dione is the densest of Saturn's moons. It is made mostly of water ice and also must have a fraction of denser material such as silicate rock.[1]