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Orbital Gravity Sandbox

Place celestial bodies, flick them into orbit, and explore gravitational dynamics in a tiny solar system

Tools

Presets

Physics

Stats

Bodies: 0 Selected: none Orbit: -- Speed: -- Energy: -- FPS: 0

How to Play

  • Click to place a body at rest
  • Click + drag to fling a body with initial velocity (arrow preview shows trajectory)
  • Nudge tool: click near a body and drag to push it
  • Click a body to select it and view orbital info
  • Orbit ellipses are drawn for the selected body relative to its dominant attractor
  • Trail colors show speed: slow (blue) to fast (red)
  • Bodies merge on close approach, conserving momentum
  • Use presets to explore famous orbital configurations