Observatório Nacional, Rua Gal. José Cristino 77, 20921-400 Rio de Janeiro, Brazil
2 Université de Lille, 59000 Lille, France
3 Institut de Mécanique Céleste et de Calculs des Éphémérides, 77 avenue Denfert-Rochereau 75014 Paris, France
Corresponding author: C. H. Veiga, firstname.lastname@example.org
Accepted: 14 November 2002
Astrometric positions of the first eight largest Saturnian satellites and the Lagrangian satellites Helene, Telesto and Calypso are presented from 493 CCD frames taken at the oppositions in 1995 through 1999. The images were obtained over 27 nights. Observed positions are compared with the calculated ones from Vienne and Duriez TASS 1.7 for the large satellites and from JPL positions for the Lagrangian satellites. The rms is about 012 for the former but 020 for Iapetus and 028 for Hyperion. For the Lagrangian satellites it is about 021 for Helene, 202 for Telesto and 060 for Calypso.
Key words: planets and satellites: individual: Saturn / astrometry
© ESO, 2003