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The Velocity of a Circular Orbit calculator computes the mean velocity of an object in a circular Earth orbit based on the radius (r), the Mass of the Earth (mE), and the Universal Gravity constant (G).
INSTRUCTIONS: Choose units and enter the following:
- (r) This is the radius of the orbit.
Orbital Velocity (V): The calculator returns the velocity (V) in meters per second. However, this can be automatically converted to compatible units via the pull-down menu.
Related Calculators:
The Math / Science
The formula for the velocity of a circular orbit around the Earth is:
`v = sqrt((M_e * G)/r^2)`
where:
- v is the mean orbital velocity
- M_e is the mass of the Earth
- G is the universal gravitational constant
- r is the radius from the center of the Earth to the orbit
Reference
University Physics 12th Edition, Chapter 12, Equation #12.10
