Future destabilisation of Titan as a result of Saturn's tilting

@article{Saillenfest2021FutureDO,
  title={Future destabilisation of Titan as a result of Saturn's tilting},
  author={Melaine Saillenfest and Giacomo Lari},
  journal={Astronomy \& Astrophysics},
  year={2021}
}
Context. As a result of Titan’s migration and Saturn’s probable capture in secular spin–orbit resonance, recent works show that Saturn’s obliquity could be steadily increasing today and may reach large values in the next billions of years. Satellites around high-obliquity planets are known to be unstable in the vicinity of their Laplace radius, but the approximations used so far for Saturn’s spin axis are invalidated in this regime. Aims. We aim to investigate the behaviour of a planet and its… 

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Future destabilisation of Titan as a result of Saturn’s tilting Appendix B.2: Circular equilibrium P2 P2 is stable to inclination variations, and located at δQ = ± π/2 and IQ = 90◦
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