Abstract
This paper describes a robust methodology to design Earth-resonant asteroid capture trajectories leading to Libration Point Orbits (LPOs). These trajectories consider two impulsive manoeuvres; one occurring before the first Earth encounter and a final one that inserts the asteroid into a stable hyperbolic manifold trajectory leading to an LPO of the Sun-Earth system. The first manoeuvre is key to exploit the chaotic perturbative effects of the Earth and obtain important reductions on the cost of inserting the asteroid into a manifold trajectory. The perturbative effects caused by the Earth are here modelled by means of a Keplerian Map approximation, and these are a posteriori compared with the dynamics of the Circular Restricted Three-Body Problem. Savings in the order of 50% of total Δv are computed for four different asteroids.
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Neves, R., Sánchez, J.P. (2018). Optimization of Asteroid Capture Missions Using Earth Resonant Encounters. In: Vasile, M., Minisci, E., Summerer, L., McGinty, P. (eds) Stardust Final Conference. Astrophysics and Space Science Proceedings, vol 52. Springer, Cham. https://doi.org/10.1007/978-3-319-69956-1_1
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DOI: https://doi.org/10.1007/978-3-319-69956-1_1
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