Newtonian gravity between point masses. Place bodies by
clicking the canvas, or load a preset to see known orbital
configurations — triple stars, Lagrange points,
resonant chains. Trails reveal the geometry of orbits.
Time is continuous; there is no grid.
Presets
Simulation
1.0
800
5
Display
Click to place · shift+click for massive · drag for velocity Space: pause · 1-6: presets · R: clear · T: trails · C: COM