PhET Gravity and Orbits
Simulates orbiting bodies such as Sun, Earth and Moon so you can change masses and watch paths.
Artifact by PhET Interactive Simulations (University of Colorado Boulder)
IndexedOpen sourceScience & mathsNo sign-up
Use it
Opens phet.colorado.edu in a new tab. Nothing to install.
- You provide
- Body masses and positions
- You get
- Orbit paths and forces
- Account
- No sign-up needed
- AI
- No AI: a plain tool
- Your input
- Not stated: check the tool's privacy notes before using private data
- Price
- Free to use
- Made with
- Open-source web app
- Source
- Open source
- Link check
- Answered on Nov 1, 2026
About
PhET Gravity and Orbits is an open-source web app in the science math category (orbits). It opens in your browser, so there is nothing to install. You provide body masses and positions and get orbit paths and forces. It needs no account. It is a plain tool: no AI model is involved. The source code is public on GitHub (phetsims/gravity-and-orbits).
Category: Science & maths · orbits
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Details
- Auth
- No auth
- License
- Open source
- Repository
- github.com/phetsims/gravity-and-orbits
- First seen
- Oct 31, 2026
- Last checked
- Nov 1, 2026
- Source
- GitHub
More from PhET Interactive Simulations (University of Colorado Boulder)
Cite this page
PhET Gravity and Orbits: free online tool. Agent Mart. https://agentmart.dev/artifacts/phet-gravity-and-orbits (last updated 2026-11-01)