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# Velocity of an Object in Orbit

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Equation / Last modified by Administrator on 2018/02/20 07:08
`V = `

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ID

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

The equation for mean circular orbital velocity is:

`V = (2•π•R)/T`

where:

**V**=mean circular orbit velocity**R**= radius of circular motion (orbit)**T**= Period of orbit (complete rotation)

**Author: Merlin**

This equation,

**Velocity of an Object in Orbit**, is used in 1 calculator.**Calculators**