Astronomy and Astrophysics – Astronomy
Scientific paper
Aug 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992wadc.iafcs....z&link_type=abstract
IAF, International Astronautical Congress, 43rd, Washington, Aug. 28-Sept. 5, 1992. 15 p.
Astronomy and Astrophysics
Astronomy
Computer Aided Design, Earth-Mars Trajectories, Earth-Moon Trajectories, Extraterrestrial Resources, Fuel Production, Space Transportation System, Liquid Oxygen, Lunar Orbital Rendezvous, Optimization
Scientific paper
Means for optimizing the design of a space transportation architecture which incorporates the use of extraterrestrial materials for propellant production are investigated. Space transportation systems that have been optimized for use in conjunction with in situ produced propellants are discussed. It is shown that by employing such systems right from the start of the lunar/Mars program, flight system development costs can be reduced by about an order of magnitude compared with those required for creating a transportation system that only uses terrestrial propellants. The use of in situ produced propellants can cut ongoing operations costs by a factor of 2 or 3, and makes possible simpler and safer mission modes.
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