Circular Orbital Velocity
v = sqrt(G·M / r)
What it says
The speed a body must travel to maintain a stable circular orbit at radius r around a mass M.
Symbols
| Symbol | Quantity | Dimension |
|---|---|---|
v | Orbital velocity (m/s) | L T^-1 |
M | Central mass (kg) | M |
r | Orbital radius (m) | L |
G | Gravitational constant (6.67430e-11 N·m^2/kg^2) | M^-1 L^3 T^-2 |
Work it out
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Connects to
Filed under Mechanics · derive through it in the explorer