Planetary Escape Velocity Calculator
Look up the idealized escape velocity of a selected planet or moon from JPL gravitational parameters.
Result
How it works
Look up the idealized escape velocity of a selected planet or moon from JPL gravitational parameters.
How to use this calculator
What to enter
Enter or select the following as requested: Planet / body. Follow the units, valid ranges, examples, and options displayed beside each field.
What the result means
The output estimates the stated astronomical quantity from the bodies, distances, masses, speeds, or other parameters entered. Check units, reference frame, and idealized assumptions; real trajectories and observations can involve additional effects.
When to use it
Use this for educational calculations or preliminary comparisons in astronomy and space science. Check the model assumptions before treating the result as a real mission or observational prediction.