Closed form low-thrust trajectories for Mars missions

Physics

Scientific paper

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Interplanetary Trajectories, Low Thrust, Manned Mars Missions, Propulsion System Configurations, Equations Of Motion, Fuel Consumption, Interplanetary Flight, Spacecraft Maneuvers, Weight Reduction

Scientific paper

A general analytical technique and several closed form solutions are presented to analyze the use of combined propulsion systems for interplanetary transfers. Conventional patched conics are used for planetary orbit escape and capture with impulse thrust engines. A new technique is developed for devising thrust profiles which yield closed form solution for the transfer trajectories. It is shown that combined propulsion systems offer substantial mass savings for fast Mars transfer times, on the order of 90-100 days.

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