Moons · Moon of Saturn

Dione

377,396 km from Saturn · Light crosses it in 0.0037 seconds

Across
1,123 km
Vs Earth
8.81% of Earth
Mass
0.02% of Earth

Open Dione in Cosmic Scale

About

Dione is an icy moon of Saturn with bright ice cliffs streaking its trailing side. Cassini found hints of a buried ocean beneath its crust.

Bright ice cliffs hundreds of kilometres long streak its trailing side.

At a glance

Size1,123 km
OrbitsSaturn, every 2.7 days
Discovered1684, Giovanni Cassini
VisitedCassini, 2004–2017

Did you know

  1. The bright streaks once thought to be frost turned out to be ice cliffs hundreds of metres high.
  2. It has a very thin atmosphere of oxygen ions.
  3. Two small moons share its orbit, ahead of and behind it.

Real photo