Io

Io — moon orbiting Jupiter, explore its interactive 3D model in Cosmoscope.

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

A world being kneaded alive: Jupiter’s gravity pumps so much heat into Io that it constantly turns itself inside out with sulfur volcanoes.

Radius

1,821.6 km

Orbit

422k km from Jupiter

Period

1.77 days

Volcanoes

400+ active — most volcanic world known

Cause

Squeezed by Jupiter’s tides

Explore Io in 3D

Cosmoscope places Io 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.