Tethys
An icy Saturn moon with a massive impact crater and vast canyon system.
About
Tethys is a mid-sized moon of Saturn composed almost entirely of water ice. It features the massive Odysseus crater and the Ithaca Chasma, a vast canyon stretching across much of the moon.
Properties
Notable Facts
Tethys has Ithaca Chasma, a canyon stretching 2,000 km across the moon
The Odysseus crater is 450 km wide, nearly two-fifths of the moon's diameter
Other Moons of Saturn

Titan
Saturn's largest moon with a thick atmosphere and liquid methane lakes on its surface.
5,149.5 km
Diameter
15.9 d
Orbit
1655
Discovered

Enceladus
Saturn moon with water geysers erupting from a subsurface ocean.
504.2 km
Diameter
1.4 d
Orbit
1789
Discovered
Mimas
Saturn's 'Death Star' moon with a giant impact crater.
396.4 km
Diameter
0.9 d
Orbit
1789
Discovered
Dione
A Saturn moon with bright ice cliffs and possible subsurface ocean.
1,122.8 km
Diameter
2.7 d
Orbit
1684
Discovered