  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.
