Computer Science – Performance
Scientific paper
Nov 1981
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981jbis...34..477v&link_type=abstract
British Interplanetary Society, Journal (Interstellar Studies), vol. 34, Nov. 1981, p. 477-485.
Computer Science
Performance
Astrodynamics, Flyby Missions, Interstellar Spacecraft, Interstellar Travel, Relativistic Velocity, Trajectory Optimization, Astronavigation, Booster Rockets, Flight Time, Matter-Antimatter Propulsion, Propulsion System Performance, Thrust Control
Scientific paper
An examination is presented of the performance of two-star system fly-bys accomplished by means of two probes brought by one interstellar booster. The probes have their own propulsion systems, in order to be steered on a trajectory with constant normal thrust towards the target stars after having been released by the carrier. A decoupled optimization procedure is used to find the conditions under which a two-probe mission is favored with respect to two independent launch missions. Four two-star configurations are studied for such a mission scheme, and only one has failed because the star separation angle is too large and the star-sun distance difference is great with respect to either two single distances. In this concept the cruise speed pertains to a multiple-propulsion-type booster, and the midcourse deviation angles of the probes are brought about by a matter-antimatter propulsion system. The possibility of probe-to-probe relativistic tracking is also considered. A more-than-one probe experiment would make it possible to apply and verify the complex precedures related to the motion of a relativistic ship as observed by another relativistic vehicle.
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