Engineering guide

How Spacecraft Travel from Earth to the Moon

Launch, parking orbit, translunar injection, coast, navigation and arrival explained as a connected mission sequence.

Test the engineering trade-offs

The Lunar Probe engineering tools let you change trajectory, communications, landing, power and habitat assumptions while keeping the model limitations visible.

Sources and further reading

NASA Science - Moon Exploration: Historical lunar exploration context and mission chronology
NASA Jet Propulsion Laboratory - Astrodynamic Parameters: Lunar gravitational parameter and physical constants used in simplified orbital calculations