PlanetMaker
Instructions: Create your planet using the controls on the top right. You can: Change the surface and clouds images; Modify lighting and atmospheric properties; Add and adjust rings; Upload your own custom surface textures by clicking "setCustomTexture"
Planet Builder - Zeh Fernandes
New random planet. Save and share URL.
Build Your Solar System | SimPop
Build your own solar system with planets and comets! Learn more about solar system with our interactive simulation.
Orbit - Toy Theater
This interactive online solar system creator allows you to dream up planets, moons, sun, and more. To create your solar system, use the “Add” button at the top to add new planets. Change the characteristics of each planet by using the buttons below the solar system model.
Gravity Simulator | All Scenarios
3D Gravity Simulator. Simulate the solar system, exoplanets and even colliding galaxies. Add, delete and modify planets, and change the laws of physics.
Starsy — Star System Generator
Edit planets by clicking directly inside the graphic or in the table below.
My Solar System - Astronomy - PhET Interactive Simulations
Build your own system of heavenly bodies and watch the gravitational ballet. With this orbit simulator, you can set initial positions, velocities, and masses of 2, 3, or 4 bodies, and then see them orbit each other.