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Dynamics of Fictitious Earth’s Satellites with Possible Past Values of the Ecliptic

Published online by Cambridge University Press:  12 April 2016

N. Callegari jr ,
T. Yokoyama  and
E.P. Marinho
N. Callegari jr
Affiliation:
Universidade Estadual Paulista-IGCE-DEMAC C.Postal 178 CEP 13.500-970 Rio Claro Brasil
T. Yokoyama
Affiliation:
Universidade Estadual Paulista-IGCE-DEMAC C.Postal 178 CEP 13.500-970 Rio Claro Brasil
E.P. Marinho
Affiliation:
Universidade Estadual Paulista-IGCE-DEMAC C.Postal 178 CEP 13.500-970 Rio Claro Brasil

Abstract

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According to many authors, there is no reason to believe that inner planets never had satellites in the past. Indeed, Alfvén and Arrhenius (1972), Burns (1973), Ward and Reid (1973), etc, explain their disappearance using essentially tidal effects which cause secular variations in the semimajor axes. Here, taking into account only gravitational forces, we show that the extinction or the non existence of Earth’s satellites could also be related to some strong instabilities which increase the eccentricities e to prohibitive values.

Information

Type
Extended Abstracts
Information
International Astronomical Union Colloquium , Volume 172: Impact of Modern Dynamics in Astronomy , 1999 , pp. 429 - 430
Copyright
Copyright © Kluwer 1999

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