Abstract
While solar electromagnetic radiation can be used to propel a solar sail, it is shown that the Poynting–Robertson effect related to the absorbed portion of the radiation leads to a drag force in the transversal direction. The Poynting–Robertson effect is considered for escape trajectories, Heliocentric bound orbits and non-Keplerian bound orbits. For escape trajectories, this drag force diminishes the cruising velocity, which has a cumulative effect on the Heliocentric distance. For Heliocentric and non-Keplerian bound orbits, the Poynting–Robertson effect decreases its orbital speed, thereby causing it to slowly spiral towards the Sun. Since the Poynting–Robertson effect is due to the absorbed portion of the electromagnetic radiation, degradation of a solar sail implies that this effect becomes enhanced during a mission.
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