Please use this identifier to cite or link to this item: http://hdl.handle.net/10773/16179
Title: On the rotation of co-orbital bodies in eccentric orbits
Author: Leleu, A.
Robutel, P.
Correia, A. C. M.
Keywords: Co-orbitals
Spin-orbit resonances
Lagrange
Planetary problem
Three-body problem
Tadpoles
Horseshoe configuration
Issue Date: Jun-2016
Publisher: Springer
Abstract: We investigate the resonant rotation of co-orbital bodies in eccentric and planar orbits. We develop a simple analytical model to study the impact of the eccentricity and orbital perturbations on the spin dynamics. This model is relevant in the entire domain of horseshoe and tadpole orbit, for moderate eccentricities. We show that there are three different families of spin-orbit resonances, one depending on the eccentricity, one depending on the orbital libration frequency, and another depending on the pericenter's dynamics. We can estimate the width and the location of the different resonant islands in the phase space, predicting which are the more likely to capture the spin of the rotating body. In some regions of the phase space the resonant islands may overlap, giving rise to chaotic rotation.
Peer review: yes
URI: http://hdl.handle.net/10773/16179
DOI: 10.1007/s10569-016-9681-4
ISSN: 0923-2958
Appears in Collections:CIDMA - Artigos
DFis - Artigos
GGDG - Artigos

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