On the Long-Term “Hesitation Waltz” Between the Earth’s Figure and Rotation Axes

Alexandre Couhert1, Flavien Mercier1 and Christian Bizouard2, (1)CNES French National Center for Space Studies, Toulouse Cedex 09, France, (2)SYRTE, Observatoire de Paris, PSL Research University, CNRS, Sorbonne Universités, UPMC Univ. Paris 06, LNE, Paris, France