Details : Item 214

 MomSonBirdCatDaughterDadDog
Terrestrial planets
Gas giants
Gas giants 2
Ice giants
Dwarf planets
Others

Famille : Gas giants/Dog
Iapetus
Moon of Saturn
Best known for its dramatic two-tone coloration.
Its equatorial ridge (20km high) give Iapetus
a walnut-like appearance.
Properties
Albedo0.05-0.5
Radius (km)734.5
Mass (kg)1.805x10+21
Density (g/cm3)1.088
Gravity (m/s2)0.223
Orbital period (days)79.321
Orbital speed (km/s)3.26
Temperature (K)90+>130
Discovery date1671 (G. Cassini)