Artificial Equilibrium Points for a Solar Balloon in the Alpha Centauri System

This paper discusses the generation, stability, and control of artificial equilibrium points for a solar balloon spacecraft in the alpha Centauri A and B binary star system. The continuous propulsive acceleration provided by a solar balloon is shown to be able to modify the position of the (classical) Lagrangian equilibrium points of the three-body system on a locus whose geometrical form is known analytically. A linear stability analysis reveals that the new generated equilibrium points are usually unstable, but part of them can be stabilized with a simple feedback control logic.