Physics

Orbital Velocity Calculator

Find the speed needed for a circular orbit.

Central body mass

Orbit radius

Calculated Output

Orbital velocity 7,672.32

Orbital velocity (km/s) 7.672

Formula: v = √(GM ÷ r)

Step-by-Step Breakdown

1. Values used:

2. Central body mass = 5.972e+24

3. Orbit radius = 6,771,000

5. Orbital velocity = 7,672.32

6. Orbital velocity = 7.672km/s

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The math behind it

v = √(GM ÷ r). It's the escape velocity divided by √2.

Low Earth orbit → ~7.67 km/s.

Higher orbit?

Slower orbital speed (and longer period).