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Medium Earth Orbit Secular Resonances and Navigation Satellites

Published online by Cambridge University Press:  16 October 2024

Edoardo Legnaro Open the ORCID record for Edoardo Legnaro [Opens in a new window]
Edoardo Legnaro*
Affiliation:
University of Padova. Department of Mathematics “Tullio Levi Civita” Aristotle University of Thessaloniki. Department of Physics
*
email: [email protected]
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Abstract

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Inclination-only dependent lunisolar resonances shape the dynamics of MEO (Medium Earth Orbit) objects over secular time scales (i.e. several decades). Their main effect is to increase an object’s eccentricity, possibly up to a value where the orbit’s perigee meets the Earth’s atmosphere and friction will determine the object’s re-entry. Thus, understanding this mechanism allows the design of low-cost end-of-life disposal strategies which exploit the resonant dynamics. In this proceeding, we will summarize our results in developing an analytic theory for lunisolar resonances and the characterization of diffusion properties along them. On this topic, the techniques proposed are of interest in most problems of secular resonances encountered in Celestial Mechanics.

Keywords

DiffusionLunisolar ResonancesNavigation Satellites
Type
Contributed Paper
Information
Proceedings of the International Astronomical Union , Volume 18 , Symposium S382: Complex Planetary Systems II: Latest Methods for an Interdisciplinary Approach , December 2022 , pp. 149 - 155
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Copyright
© The Author(s), 2024. Published by Cambridge University Press on behalf of International Astronomical Union

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