Abstract The aim of this work is to investigate heliocentric phasing maneuvers performed by a spacecraft propelled by an Electric Solar Wind Sail, that is, an innovative propellantless propulsion system that consists of a spinning grid of charged tethers that uses solar wind momentum to produce thrust. It is assumed that the Electric Solar Wind Sail may be controlled by varying its attitude with respect to a classical orbital reference frame, and by switching the tether grid off to obtain Keplerian arcs along its phasing trajectory. The analysis is conducted within an optimal framework, the aim of which is to find both the optimal control law and the minimum-time phasing trajectory for a given angular drift along the (assigned) working orbit. A typical phasing scenario is analyzed, by considering either a drift ahead or a drift behind maneuver on a circular, heliocentric orbit of given radius. The paper also investigates the possibility of using an Electric Solar Wind Sail-based deployer to place a constellation of satellites on the same working orbit. In that case, the optimal flight time is obtained in a compact, semianalytical form as a function of both the propulsion system performance and the number of the sail-deployed satellites.
Highlights Heliocentric phasing maneuvers performed with an Electric Solar Wind Sail are analyzed. The minimum flight time trajectory and the corresponding control law are obtained. Both drift ahead and drift behind cases are considered. An E-sail-based constellation deployment scenario is investigated in detail.
Electric sail phasing maneuvers for constellation deployment
Acta Astronautica ; 177 ; 853-861
2019-12-03
9 pages
Article (Journal)
Electronic Resource
English
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