Computer Science – Performance
Scientific paper
Sep 1975
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975aiaa.confv....m&link_type=abstract
American Institute of Aeronautics and Astronautics and American Geophysical Union, Conference on the Exploration of the Outer Pl
Computer Science
Performance
Ecliptic, Jupiter Probes, Space Missions, Swingby Technique, Earth Orbits, Interplanetary Trajectories, Launch Vehicles, Propulsion System Performance, Spacecraft Orbits, Spacecraft Trajectories
Scientific paper
In addition to the outer planets, much interest is directed toward understanding the solar environment in which those planets and the earth have evolved. One means of obtaining some of the needed data is an out-of-the-ecliptic mission. Direct launch out of earth orbit does not allow acceptable solar latitudes to be achieved with existing launch vehicles. This paper presents the results of a study on using a Jupiter swingby to increase significantly the achievable solar latitudes. Latitudes above 60 deg can be achieved with an Atlas/Centaur/TE364-4 and a Pioneer-class spacecraft reduced in weight by about 50 kg. Jovian center-targeting contours have been generated, and a maximum achievable latitude has been determined as a function of launch year and spacecraft mass. Nominal trajectories are selected, and time histories of significant parameters are presented.
Manning Lawrence A.
Matthews H. F.
Nunamaker R. R.
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