Iapetus

Iapetus — moon orbiting Saturn, explore its interactive 3D model in Cosmoscope.

Explore Iapetus in a live 3D Solar System. Follow its calculated motion and inspect real astronomical data, distances and orbital facts.

The yin-yang moon: one side black as soot, the other white as snow, with a mountain ridge circling its equator like a walnut seam.

Radius

734.5 km

Orbit

3,561k km from Saturn

Period

79.33 days

Two faces

One hemisphere coal-dark, the other bright ice

Ridge

A 13-km-high wall around its equator

Explore Iapetus in 3D

Cosmoscope places Iapetus in the Solar System using astronomical ephemeris or orbital elements, updated for the simulation time. Explore its calculated motion, distance and orbital facts in the interactive 3D view. Accuracy depends on the orbital model and its valid time range.