[Dottorcomp] Very informal seminar - Elisa Alessi - 21.11.2022

[Lorenzo Tamellini]

Hi everyone,

this is just a reminder about the next very informal seminar on Monday! See
info below.

Soon,
Lorenzo



Il giorno gio 3 nov 2022 alle ore 12:18 Lorenzo Tamellini <
tamellini a imati.cnr.it> ha scritto:

> Dear all,
>
> The next very informal seminar will be given by Elisa Alessi (CNR-IMATI,
> Milano) at 11:00 on November 21, in aula Beltrami. Title and abstract are
> below.
>
> Best regards
> Lorenzo, Andrea, Laura
> https://sites.google.com/view/very-informal-seminars
>
> ========================================
> *Title:* Dynamical systems theory applied to astrodynamics and celestial
> mechanics problems
>
> *Abstract:* In this seminar, I will describe how dynamical systems
> theory, in particular the computation of equilibrium points and the
> associated central and hyperbolic invariant manifolds for a system of
> ordinary differential equations, is applied to design trajectories for
> interplanetary probes and end-of-life strategies for Earth's orbiting
> satellites. In particular, I will explain how the Lagrangian points of the
> Circular Restricted Three-Body Problem are exploited for actual missions
> and how well-defined orbital resonances associated with the third-body
> perturbation or the solar radiation pressure coupled with the planetary
> oblateness are analyzed as possible effective means to re-enter the Earth's
> atmosphere. In planetary science, analogous techniques can be applied to
> obtain a map that can catalog, in a dynamical perspective, the asteroids in
> co-orbital motion with respect to a given planet.
>
>
>
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