Physics
Advanced

Orbital Velocity

Speed needed for a circular orbit.

Formula

v=GMrv = \sqrt{\frac{GM}{r}}

Variables

GConstant
MCentral mass
rOrbit radius

Example

ISS orbits at ~7.7 km/s

Did You Know?

The International Space Station orbits at about 7.7 km/s, circling the entire Earth roughly every 90 minutes.

gravityorbit