The role and usage of libration point orbits in the earth-moon system

• Autores: Elissa Maria Alessi
• Directores de la Tesis: Gerardo Gómez Muntané (dir. tes.), Josep Joaquim Masdemont Soler (dir. tes.)
• Lectura: En la Universitat de Barcelona ( España ) en 2010
• Idioma: inglés
• Tribunal Calificador de la Tesis: Carles Simó (presid.), Mercè Ollé Torner (secret.), Giovanni Valsecchi (voc.)
• Materias:
  • Matemáticas
    • Análisis numérico
      • Ecuaciones diferenciales ordinarias
  • Ciencias tecnológicas
    • Tecnología del espacio
      • Control de vehículos
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• Resumen

  • In this dissertation we apply the Circular Restricted Three - Body Problem to the Earth -- Moon system both for astrodynamical and astronomical purposes. We take advantage of the hyperbolic invariant manifolds associated with the central invariant manifold of the collinear equilibrium point either L_1 and L_2 to construct transfers from either Moon and Earth to a nominal libration point orbit and to study some tracks leading to collisions events on the Moon. Also, we develop an effective methodology for the refinement of such trajectories into a more realistic vector field and we show the consequences of omitting the Sun. Throughout the work, we exploit the tools of Dynamical Systems Theory and optimal control strategies.