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On Or

Orbit types

An orbit is the trajectory of an object that is gravitationally curved, such as the trajectory of a planet around a star or a natural satellite around a planet. Normally, orbit refers to a regularly repeating trajectory, although it may also refer to a non-repeating...

orbital mechanics

Orbital mechanics( AKA astrodynamics) is the application of ballistics and celestial mechanics to the practical problems concerning the motion of rockets and other spacecraft. The motion of objects is calculated from Newton’s laws of motion and law of universal...