Orbit & Gravity Simulator

See orbits, escape speed and Kepler's laws.

Private by design

Your inputs stay on your device and are not sent to our servers. Optional usage analytics does not receive your files or tool inputs.

Preparing orbit & gravity simulator

Preparing tool

How to use Orbit & Gravity Simulator

Set the altitude, speed and launch direction, or pick a preset such as the space station.
Run it and watch the path and the predicted orbit.
Read the orbit type, period and speeds, and export the picture or altitude data.

A teaching model with simplifying assumptions stated in the method; it runs entirely in your browser.