Iapetus (Satellite of Saturn)

Full size image of Iapetus (81 KB.)

Constants

•  Mean Radius:               718 km

•  Mass:                      0.000266 (Earth=1)

•  Density:                   1.02 (g/cm^3)

•  Gravity:                   0.024 (Earth=1)

•  Orbit Period:              79.331 (Earth days)

•  Rotation Period:           79.331 (Earth days)

•  Semimajor Axis of Orbit:   3,560,800 km

•  Eccentricity of Orbit:     0.028

Iapetus Nomenclature

Official names of features on Iapetus as approved by the International Astronomical Union.