# Velocity of an Object in Orbit

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vCalc.Velocity of an Object in Orbit
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e17ddb03-2ca6-11e4-b7aa-bc764e2038f2

The Mean Circular Orbital Velocity calculator computes the mean velocity of an object in a circular orbit based on the radius (R) and the period (T).

INSTRUCTIONS: Choose units and enter the following:

• (R) This is the radius of the circular orbit
• (T) This is the period of the circular orbit

Mean Circular Velocity (V):  The calculator returns the velocity in meters per second.  However this can be automatically converted to compatible units via the pull-down menu.

#### The Math / Science

V = (2•π•R)/T

where:

Author: Merlin