Cover: Minimum Energy Loss Heading Changes for Hypersonic Flight from Orbit

Minimum Energy Loss Heading Changes for Hypersonic Flight from Orbit

Published 1965

by Russell D. Shaver


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Presentation of an analysis of minimum-energy-loss heading changes for a spacecraft operating in a geocentric orbit near the earth. The velocity requirements of the aerodynamic synergetic mode of transfer and the pure rocket bielliptical transfer are compared. A simple control scheme is devised from the results of the optimization program, indicating that synergetic transfers can be investigated by simple numerical schemes. This Memorandum also discusses various vehicle design problems in relation to minimum energy loss during maneuvers. (See also RM-3231.)

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