Orbital Velocity Calculator

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Calculates the speed at which an object orbits around another body, based on the mass of the central body and the orbital radius.

How To Use

How to use this calculator

Start with your values, or try a preset.

Step 1

Enter Gravitational Constant (G), Mass of Central Body, and Orbital Radius in the units shown.

Step 2

Read Orbital Velocity in the results panel. Results update as you change the inputs.

Step 3

Choose a preset to load an example, then adjust the values for your situation.

Worked Examples

See the inputs and their calculated results.

Gravitational Constant (G): 0.000000000066743 N m²/kg²; Mass of Central Body: 5,972,000,000,000,000,000,000,000 kg; Orbital Radius: 6,371,000 m

Orbital Velocity: 7,909.680822 m/s

Gravitational Constant (G): 0.000000000066743 N m²/kg²; Mass of Central Body: 5,972,000,000,000,000,000,000,000 kg; Orbital Radius: 384,400,000 m

Orbital Velocity: 1,018.289046 m/s

Gravitational Constant (G): 0.000000000066743 N m²/kg²; Mass of Central Body: 5,972,000,000,000,000,000,000,000 kg; Orbital Radius: 6,771,000 m

Orbital Velocity: 7,672.490413 m/s

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