Pertubação de terceiro corpo com modelos de média simples / Third body perturbation using a single averaged model.

AUTOR(ES)

Carlos Renato Huaura Solórzano

DATA DE PUBLICAÇÃO

2002

RESUMO

Several papers can be found in the literature that study the effect of the third body perturbation in a spacecraft. Some of them work with the Hamiltonian of the system and some others with the disturbing function expressed in an analytic form. The present master dissertation has the goal of developing a semi-analytical study of the perturbation caused in a spacecraft by a third body, using a single averaged model to eliminate the terms due to the short time periodic motion of the spacecraft. To the joint perturbation of the Sun and the Moon is considered, assuming that their orbits are coplanar. After that a set of non-singular variables is used, ans its application in equatorial and circular orbits is shown. Several plots will show the time histories of the keplerian elements of the orbits involved. One of the most important applications of the present research is to calculate the effect of Lunar and Solar perturbations on high-altitude Earth satellites.

ASSUNTO(S)

long term effects órbita de dois corpos perturbação de órbita perturbação. key words: orbit perturbation two body orbits efeitos de longo período models perturbation média. modelos average

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