Keplerian orbital velocity
tondâ-ye madâr-e Kepleri
Fr.: vitesse d'orbite képlérienne
The velocity of an object orbiting another object according to → Kepler's laws.
Fr.: vitesse orbitale
The velocity of an object in a given orbit around a gravitating mass. For a perfect circular orbit, the velocity is described by the formula V =√[G(M + m)/r], where G is the gravitational constant, M the mass of the primary gravitating body, m the mass of the orbiting object, and r the radius of the orbit.