Satellites galiléens de Jupiter : phénomènes et configurations pour 1999, suivis d'une méthode permettant de calculer les phénomènes pour 2000

Abstract : Starting from 1996, ephemerides of natural Satellites are published in the Connaissance des Temps. A floppy disk is available. These ephemerides give the positions of the satellite of Mars, of the Galilean satellites of Jupiter, of the first eight satellites of Saturn and of the five satellites of Uranus under a mixed form of representation, involving secular and periodic terms and depending directly on time. The accuracy is near that of the original theories. However, observers wish to keep ephemerides allowing to identify immediately the Galilean satellites and to know the dates of the phenomena which are calculated to the nearest second off time. This is given by the present booklet, particularly the configurations giving positions with an accuracy of I On relatively to Jupiter. Besides these informations, the present booklet gives various data concerning the Galilean Satellites. We also present a method which permits the calculation of the phenomena for the next year. Several predictions given for January may be different from the predictions published in 1998. This is due to the more recent values of the radii of the satellites, the radius of Jupiter and its oblateness which are now used
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  • HAL Id : hal-01464919, version 1

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Th. Derouazi, S. Lemaître, Ch. Ruatti, D.T. Vu. Satellites galiléens de Jupiter : phénomènes et configurations pour 1999, suivis d'une méthode permettant de calculer les phénomènes pour 2000. [Rapport de recherche] Institut de mécanique céleste et de calcul des éphémérides (IMCCE). 1998, 73 p. figures. tableaux. ⟨hal-01464919⟩

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