Physics
Orbital Velocity
Circular orbit speed at radius r.
Formula
Formula
v = √G Mr
Variables
| Symbol | Definition | Type & range | Units | Role |
|---|---|---|---|---|
| M | central mass (kg) | real number (ℝ) | kg | input |
| r | orbit radius (m) | real number (ℝ) | m | input |
Try it yourself
Interactive calculator
Worked examples
Example 1
GivenM (kg) = 5.972e+24, r (m) = 6771000
Result7672.317978
Example 2
GivenM (kg) = 1.989e+30, r (m) = 149600000000
Result29788.22983