Optimizing Low-Thrust and Gravity Assist Maneuvers to Design Interplanetary Trajectories

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Optimizing Low-Thrust and Gravity Assist Maneuvers to Design Interplanetary Trajectories

Optimizing Low-Thrust and Gravity Assist Maneuvers to Design Interplanetary Trajectories

Vasile, Massimiliano / Bernelli-Zazzera, Franco

In this paper a direct method based on a transcription by finite elements in time has been used to design optimal interplanetary trajectories, exploiting a combination of gravity assist maneuvers and low-thrust propulsion. A multiphase parametric approach has been used to introduce swing-bys, treated as coast phases between two thrusted or coasting trajectory arcs. Gravity maneuvers are at first modeled with a linked-conic approximation and then introduced through a full three-dimensional propagation including perturbations by the Sun. The method is successfully applied to the design of a mission to planet Mercury, for which different options corresponding to different sequences of gravity maneuvers or launch opportunities are presented.

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Title :

Optimizing Low-Thrust and Gravity Assist Maneuvers to Design Interplanetary Trajectories

Additional title:

J of Astronaut Sci

Contributors:

Vasile, Massimiliano (author) / Bernelli-Zazzera, Franco (author)

Published in:

The Journal of the Astronautical Sciences ; 51 , 1 ; 13-35

Publication date :

2003-03-01

Size :

23 pages

ISSN :

2195-0571 , 0021-9142

DOI :

https://doi.org/10.1007/BF03546313

Type of media :

Article (Journal)

Type of material :

Electronic Resource

Language :

English

Keywords :

Engineering , Aerospace Technology and Astronautics , Mathematical Applications in the Physical Sciences , Space Sciences (including Extraterrestrial Physics, Space Exploration and Astronautics)

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