Saturn

Saturn anchors the brand because it is one of the Solar System's richest natural laboratories: rings, moons, storms, magnetism, and ocean-world possibilities all in one system.

Object typeGas giant

Diameter116,460 km

Mass95.2 Earth masses

Gravity10.44 m/s²

Average temperatureAbout -140°C cloud tops

Distance from the Sun1.43 billion km

Orbital period29.5 Earth years

Rotation periodAbout 10.7 hours

Number of moons140+

AtmosphereHydrogen, helium, methane, ammonia clouds

DiscoveryKnown since antiquity; rings observed by Galileo in 1610 and explained by Huygens in 1655

Interesting Facts

Its rings are mostly water ice.
Titan has weather, dunes, rivers, and lakes made from hydrocarbons.
Enceladus may have ingredients needed for habitability.

Major Missions

Pioneer 11
Voyager 1
Voyager 2
Cassini-Huygens