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CISLUNAR is a stand-alone computer program designed to generate the trajectory of a low-thrust spacecraft travelling in Earth-Moon space. The program allows the creation of functional trajectories dependent on the supplied spacecraft characteristics. The trajectory generation is a user interactive process. The original intent was for the program user to modify the necessary control values until a staisfactory trajectory has been created. Unspecified Center CISLUNAR SPACE; EARTH-MOON TRAJECTORIES; TRAJECTORY ANALYSIS; USER MANUALS (COMPUTER PROGRAMS); INTERACTIVE CONTROL; INTERPLANETARY TRAJECTORIES; SOLAR SYSTEM; SPACE EXPLORATION; SPACECRAFT CONFIGURATIONS...
The documentation of the Trajectory Generation and System Characterization Model for the Cislunar Low-Thrust Spacecraft is presented in Technical and User's Manuals. The system characteristics and trajectories of low thrust nuclear electric propulsion spacecraft can be generated through the use of multiple system technology models coupled with a high fidelity trajectory generation routine. The Earth to Moon trajectories utilize near Earth orbital plane alignment, midcourse control dependent upon the spacecraft's Jacobian constant, and capture to target orbit utilizing velocity matching algorithms. The trajectory generation is performed in a perturbed two-body equinoctial formulation and the restricted three-body formulation. A single control is determined by the user for the interactive midcourse portion of the trajectory. The full spacecraft system characteristics and trajectory are provided as output. Korsmeyer, David J. and Pinon, Elfego, III and Oconnor, Brendan M. and Bilby, Curt R. Unspecified Center...
This manual provides general introductory data for personnel associated with the Apollo program. Each command and service module system is discussed in general terms, but with sufficient detail to convey a clear understanding of the systems. In addition, the Apollo earth orbit and lunar landing missions are described, planned, completed, and test programs or missions are identified. Manufacturing, training equipment, ground support equipment, space vehicles and the lunar module are all covered in gross terms. The source information used in the preparation of this manual was that available as of November 1, 1966. This manual was prepared for the National Aeronautics and Space Administration by Space and Information Systems Division of North American Aviation, Inc., Downey, California. Illustrated throughout.