Sensitivity analysis of polar orbiter motion to lunar viscoelastic tidal deformation - Archive ouverte HAL Accéder directement au contenu
Article Dans Une Revue Celestial Mechanics and Dynamical Astronomy Année : 2023

Sensitivity analysis of polar orbiter motion to lunar viscoelastic tidal deformation

Résumé

Abstract We investigate the impact of viscoelastic tidal deformation of the Moon on the motion of a polar orbiter. The dissipative effects in the Moon’s interior, i.e., tidal phase lags, are modeled as Fourier series sampled at given frequencies associated with linear combinations of Delaunay arguments, the fundamental parameters describing the lunar motion around the Earth and the Sun. We implement the tidal model to evaluate the temporal lunar gravity field and the induced perturbation on the orbiter. We validate the numerical scheme via a frequency analysis of the perturbed orbital motion. We show that, in the case of the Lunar Reconnaissance Orbiter at a low altitude of less than 200 km, the main lunar tides and hence the potential Love numbers around the monthly and some multiple frequencies are dynamically separable. The omission of those effects in practice introduces a position error at the level of a few decimeters within 10 days.
Fichier principal
Vignette du fichier
s10569-023-10131-w.pdf (2.33 Mo) Télécharger le fichier
Origine : Fichiers éditeurs autorisés sur une archive ouverte

Dates et versions

hal-04216807 , version 1 (28-09-2023)

Licence

Paternité

Identifiants

Citer

Xuanyu Hu, Alexander Stark, Dominic Dirkx, Hauke Hussmann, Agnès Fienga, et al.. Sensitivity analysis of polar orbiter motion to lunar viscoelastic tidal deformation. Celestial Mechanics and Dynamical Astronomy, 2023, 135 (2), pp.16. ⟨10.1007/s10569-023-10131-w⟩. ⟨hal-04216807⟩
30 Consultations
8 Téléchargements

Altmetric

Partager

Gmail Facebook X LinkedIn More