Circulating transportation orbits between earth and Mars

Details Circulating transportation orbits between earth and Mars Circulating transportation orbits between earth and Mars

Aug 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986asdy.conf...31f&link_type=abstract

IN: Astrodynamics Conference, Williamsburg, VA, August 18-20, 1986, Technical Papers (A86-47901 23-13). New York, American Insti

Astronomy and Astrophysics

Astronomy

Earth-Mars Trajectories, Round Trip Trajectories, Swingby Technique, Moon, Phobos, Spacecraft Maneuvers, Trajectory Optimization

Scientific paper

This paper describes the basic characteristics of circulating (cyclical) orbit design as applied to round-trip transportation of crew and materials between earth and Mars in support of a sustained manned Mars Surface Base. The two main types of nonstopover circulating trajectories are the socalled VISIT orbits and the Up/Down Escalator orbits. Access to the large transportation facilities placed in these orbits is by way of taxi vehicles using hyperbolic rendezvous techniques during the successive encounters with earth and Mars. Specific examples of real trajectory data are presented in explanation of flight times, encounter frequency, hyperbolic velocities, closest approach distances, and Delta V maneuver requirements in both interplanetary and planetocentric space.

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