Interactive simulation

Earth · Moon · Sun

Real directions of motion and proportional time scales. Sizes and distances are compressed to keep the system clearly visible.

—Simulation time: —

Speed6 h / s

Sidereal day: 23 h 56 minLunar orbit: 27.32 daysPhase cycle: 29.53 daysAxial tilt: 23.44°

Drag vertically to change the viewing angle · use the mouse wheel to zoom