Effects of a Venus swingby periapsis burn during an earth-Mars trajectory

Details Effects of a Venus swingby periapsis burn during an earth-Mars trajectory Effects of a Venus swingby periapsis burn during an earth-Mars trajectory

Aug 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989ads..conf.....s&link_type=abstract

AAS and AIAA, Astrodynamics Specialist Conference, Stowe, VT, Aug. 7-10, 1989. 14 p.

Astronomy and Astrophysics

Astronomy

Earth-Mars Trajectories, Interplanetary Flight, Spacecraft Maneuvers, Swingby Technique, Venus (Planet), Gravitational Effects, Orbital Maneuvers, Propellant Combustion, Transfer Orbits

Scientific paper

Interplanetary missions were analyzed that utilize the gravity-assist orbital transfer technique to increase mission capabilities. This swingby maneuver provides a nonpropulsive change in the spacecraft's heliocentric energy which can reduce the amount of propellant needed to complete an interplanetary mission. For certain planetary orientations, incorporating a propulsive manuever at the periapsis of the swingby trajectory decreases the mission's propellant requirement. This decrease results in a reduced initial vehicle mass in low-earth orbit. This study analyzed the feasibility of using a three-dimensional powered swingby to reduce the initial vehicle size for an excursion class mission during the 2010-2025 time frame.

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