https://github.com/chipi/orrery

The orbital mechanics tools NASA uses to reach Mars, rebuilt for anyone who's curious. Real physics, real missions from Luna 9 to Artemis. Beautiful, educational, self-hostable.

astrodynamics astronomy educational interactive-visualization mars mission-planning nasa open-source orbital-mechanics orrery porkchop-plot solar-system solar-system-simulation space-exploration space-simulation threejs webgl

Last synced: 04 Jun 2026