The Journal of the Astronautical Sciences, Volumes 12-13American Astronautical Society, 1965 - Astronautics |
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AIAA altitude American Astronautical Society analysis angle angular application approximation assumed Astronautical Sciences Vol atmosphere axis body C₁ calculus of variations California chapters circular orbit coefficient collision constant contour coordinates density derived determined differential equations discussion drag dynamics Earth eclipse electron elliptical energy Engineering field flight function given gyroscope hypersonic integral Journal lift-to-drag ratio linear lunar Lyapunov stable Martin Company matrix method minimum Moon nautical miles nonlinear North American Aviation number of satellites obtained optimal optimum paper parameters particles perturbations plane planform plasma presented problem r₁ radiation radius reference Research rocket shadow sin² solar solar eclipse solution spacecraft stability surface techniques theory tion trajectories transfer true anomaly University values variables variations vector vehicle velocity volume York zero