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🪐 Space Simulations: A Physics Primer

A hands-on orbital mechanics primer — integrate real gravity for a planet around a star and a moon around the planet, and tune mass, eccentricity and moon distance.

Space & Astronomy3DEasy60 FPS

⚙ Under the hood

Integrate real Newtonian gravity for a planet around a star and a moon around the planet — tune mass, launch velocity and moon distance and watch orbits, periods and eccentricity emerge.

Three.jsorbital mechanicsgravityastrophysicsn-body

3D · Three.js / WebGL renderer · 60 FPS target · runs fully client-side, no install