Technique for sustaining circular orbits, which decay because of atmospheric drag, are examined; studies made of requirements for propulsion devices aboard satellite to counteract drag forces; schemes considered are thrust device that operates continuously with thrust magnitude equal to drag, and thrust device that provides discrete impulsive velocity corrections spaced throughout sustaining period; longest lifetime per pound of propellant is obtained by using continuous thrusting criterion.
Satellite orbit sustaining techniques
ARS J
ARS Journal ; 31 , n 9
1961
5 pages
Article (Journal)
English
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