Calculate orbital velocity for a satellite.
Orbital velocity for Satellite Orbit is set by the central mass and the orbit's radius, and the period follows directly from that speed. Geostationary orbits work because at one specific altitude the period matches Earth's rotation exactly.
Satellite Orbit
v = sqrt(GM/r); T = 2*pi*r/v
v = sqrt(GM/r); T = 2*pi*r/v Orbital velocity for Satellite Orbit is set by the central mass and the orbit's radius, and the period follows directly from that speed.
Geostationary orbits work because at one specific altitude the period matches Earth's rotation exactly.
This calculator takes 3 inputs: Central body mass, Altitude, Body radius. The pre-filled defaults are a realistic starting point — replace them with figures from your own environment for a result you can act on.