Long term evolution of the eccentricity in the MEO region: Semi-analytical and analytical approach

Florent Deleflie, J. Daquin, E. M. Alessi, A. Rossi

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Résumé

We study the long term evolution of the mean eccentricity of trajectories within the MEO region, and in particular at altitudes corresponding to Galileo nominal or disposal cases, following a semi-analytical and an analytical approach. The model accounts for all the significant perturbations acting on the trajectories: zonal and tesseral parameters of the Earth's gravity field, luni-solar attraction, atmospheric drag when relevant; we study the time evolution of the two components of the eccentricity vector, depending on the choice of the initial conditions: long period variations, that could even been seen as secular effects over some periods, are interpreted in terms of the influence of the luni-solar attraction. Maps of maximal eccentricity reached over less than 2 centuries are performed with the STELA s/w, and the role played by the Ω + 2ω resonance is underlined.

langue originaleAnglais
titreAstrodynamics 2015
rédacteurs en chefJames D. Turner, Geoff G. Wawrzyniak, William Todd Cerven, Manoranjan Majji
EditeurUnivelt Inc.
Pages1149-1159
Nombre de pages11
ISBN (imprimé)9780877036296
Etat de la publicationPublié - 1 janv. 2016
Modification externeOui
EvénementAAS/AIAA Astrodynamics Specialist Conference, ASC 2015 - Vail, États-Unis
Durée: 9 août 201513 août 2015

Série de publications

NomAdvances in the Astronautical Sciences
Volume156
ISSN (imprimé)0065-3438

Une conférence

Une conférenceAAS/AIAA Astrodynamics Specialist Conference, ASC 2015
Pays/TerritoireÉtats-Unis
La villeVail
période9/08/1513/08/15

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