Free return circumlunar trajectories from launch windows with fixed launch azimuths
Earth parking orbits and free return circumlunar trajectories from launch windows with fixed azimuths - apollo project
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Earth parking orbits and free return circumlunar trajectories from launch windows with fixed azimuths - apollo project
Mars nonstop round-trip trajectories using gravity supplemented by propulsion or aerodynamic forces
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Powered-descent trajectory for lunar landing mission of lunar excursion module
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Numerical techniques for trajectory optimization discussing steepest descent, second variation and generalized newton-raphson methods
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Factors affecting free return circumlunar trajectories from launch windows with fixed launch azimuths, emphasizing effects of parking orbit launch time
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Rare earth metals and compounds as material of thermoelectronic cathodes postflight trajectory for Saturn I /SA-8/ Pegasus B test flight
Aerodynamic heating calculation of Atlas Centaur launch vehicle trajectory
Interplanetary low thrust, geocentric low and high thrust trajectory optimization
Unknown trajectory and angles of attack of Scout heat transfer spacecraft during reentry flight in atmosphere