We devote this chapter to the investigation of a particular set of orbits around the collinear Euler-Lagrange point. These trajectories are called halo orbits and they arise as bifurcation of the planar Lyapunov family of periodic orbits, when the frequency of the planar Lyapunov orbit coincides with the frequency of the vertical perturbation. Halo orbits under a dissipative drag term are also considered.

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Halo Orbits

  • Alessandra Celletti

摘要

We devote this chapter to the investigation of a particular set of orbits around the collinear Euler-Lagrange point. These trajectories are called halo orbits and they arise as bifurcation of the planar Lyapunov family of periodic orbits, when the frequency of the planar Lyapunov orbit coincides with the frequency of the vertical perturbation. Halo orbits under a dissipative drag term are also considered.