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Drag and drop planets and comets around the Sun to create your own solar system. Learn more about stars, planets and comets with definitions and videos.
Make your own solar system by dragging bodies and the V symbol (V for velocity) or by typing into the initial settings table in the upper-left corner of the simulation. Distances, masses, and times are in arbitrary units. Invent your own! Keep masses less than a few thousand or risk strange results.
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.
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"
Here's the second version of my solar system! Now you have scatter, play/pause, doomsday, and planet/sun info! Click on the planets or the sun to get some info, click on the asteroids to do [secret], click on play/pause to play/pause, and scatter to scatter the planets all over the place!
Explore and design your own solar system with this interactive simulation, observing gravitational forces and celestial body orbits.
Custom design a planetary system with up to four planets and study their orbits and properties. Enter the name, size, eccentricity and semimajor axis of each planet in AU's and see the results.
