
10 lessons. Beginner to expert. Everyone welcome.
▶ Launch SimulatorFree. No sign-in required.
10 lessons from orbit basics to SSA architectures. Three difficulty levels: novice, intermediate, and advanced.
Fly real constellations: GPS, Starlink, Molniya, GEODSS, DARC, LeoLabs, and more. Live orbital mechanics.
AI Architect generates custom satellite missions from a plain-English prompt. Powered by Gemini.