06-128 Alessandra Celletti, Universita' di Roma "Tor Vergata"

Perturbative approaches for the analysis of the spin-orbit problem (189K, ps) Apr 24, 06

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Abstract. We review some results concerning perturbation techniques applied to the spin--orbit problem. In particular, we start by constructing periodic orbits by means of a combination of the implicit function theorem and of perturbation theory. Next, we focus on rotational and librational invariant tori, whose existence is proved by KAM theory. Applications to the Moon and Mercury are presented. This paper is the text of an invited lecture at the meeting "The rotation of celestial bodies" in honor of Jacques Henrard.

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