Orbit mechanics
Orbit mechanics is a branch of astronautical engineering that deals with the motion of artificial satellites and other spacecraft in orbit around celestial bodies. It involves the study of the forces acting on a spacecraft in orbit, such as gravity, atmospheric drag, and solar radiation pressure, and the mathematical modeling of the spacecraft's trajectory. Orbit mechanics is essential for the design and operation of spacecraft, including the determination of launch trajectories, the planning of orbital maneuvers, and the prediction of orbital decay. It also plays a crucial role in space mission planning and navigation.
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