Interplanetary trajectories of vehicles propelled by solar radiation pressure are analyzed, and are shown to be logarithmic spirals if thrust direction is constant with respect to vehicle-sun line; required thrust may be obtained with solar sail; sail size as function of trip time to Mars is determined for solar thrust, oriented tangent to trajectory.
Photon propelled space vehicles
IRE -- Proc
Institute of Radio Engineers -- Proceedings ; 48 , n 4
1960
5 pages
Article (Journal)
English
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Interplanetary trajectories for electrically-propelled space vehicles
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