Abstract This paper describes a semi-analytical approach to electric sail mission analysis under the assumption that the spacecraft experiences a purely radial, outward, propulsive acceleration. The problem is tackled by means of the potential well concept, a very effective idea that was originally introduced by Prussing and Coverstone in 1998. Unlike a classical procedure that requires the numerical integration of the equations of motion, the proposed method provides an estimate of the main spacecraft trajectory parameters, as its maximum and minimum attainable distance from the Sun, with the simple use of analytical relationships and elementary graphs. A number of mission scenarios clearly show the effectiveness of the proposed approach. In particular, when the spacecraft parking orbit is either circular or elliptic it is possible to find the optimal performances required to reach an escape condition or a given distance from the Sun. Another example is given by the optimal strategy required to reach a heliocentric Keplerian orbit of prescribed orbital period. Finally the graphical approach is applied to the preliminary design of a nodal mission towards a Near Earth Asteroid.
Highlights ► A semi-analytical approach to electric sail mission analysis is proposed. ► The spacecraft uses a purely radial, outward, propulsive acceleration. ► Maximum and minimum attainable distance from the Sun can be easily estimated. ► The optimal strategy required to reach a heliocentric Keplerian orbit is provided. ► A nodal mission towards a Near Earth Asteroid is discussed.
A graphical approach to electric sail mission design with radial thrust
Acta Astronautica ; 82 , 2 ; 197-208
2012-03-27
12 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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