Non-Keplerian orbits for electric sails

Details Non-Keplerian orbits for electric sails Non-Keplerian orbits for electric sails

Nov 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009cemda.105..179m&link_type=abstract

Celestial Mechanics and Dynamical Astronomy, Volume 105, Issue 1-3, pp. 179-195

Astronomy and Astrophysics

Astronomy

6

Electric Sail, Displaced Non-Keplerian Orbit, Trajectory Optimization, Solar Sail

Scientific paper

An electric sail is capable of guaranteeing the fulfilment of a class of trajectories that would be otherwise unfeasible through conventional propulsion systems. In particular, the aim of this paper is to analyze the electric sail capabilities of generating a class of displaced non-Keplerian orbits, useful for the observation of the Sun’s polar regions. These orbits are characterized through their physical parameters (orbital period and solar distance) and the spacecraft propulsion capabilities. A comparison with a solar sail is made to highlight which of the two systems is more convenient for a given mission scenario. The optimal (minimum time) transfer trajectories towards the displaced orbits are found with an indirect approach.

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