Orbital Velocity Calculator
Calculate the orbital velocity of objects around a central mass
About this calculator
The Orbital Velocity Calculator determines the speed required for an object to maintain a stable orbit around a central mass, such as a planet, star, or moon. This tool is essential for aerospace engineers, astrophysicists, and students studying celestial mechanics. By calculating orbital velocity, you can understand satellite deployment requirements, planetary motion dynamics, and spacecraft trajectory planning for missions ranging from Earth orbit to interplanetary travel.
How to use
Enter the mass of the central body (like Earth or the Sun) and the orbital radius (distance from the center of the mass to the orbiting object). The calculator will instantly compute the required orbital velocity using the standard gravitational formula. Results are typically displayed in meters per second or kilometers per second.
Frequently asked questions
What is orbital velocity?
Orbital velocity is the minimum speed an object needs to orbit around a central mass without falling into it or escaping its gravitational pull.
How does orbital radius affect velocity?
As orbital radius increases, the required orbital velocity decreases. Objects farther from the central mass move slower to maintain stable orbits.
What units should I use for inputs?
Typically use kilograms for mass and meters for radius. The calculator will specify required units and convert results to appropriate velocity units.