Contents. planet: 8 - Neptune satellites: 1 - S/2002 N 1 :17, 2 - S/2002 N 2 :23, 3 - S/2002 N 3 :17 total number: 57 type: absolute dates: 2001-2002 observatory: 309 - Cerro Paranal 568 - Mauna Kea 807 - Cerro Tololo Observatory, La Serena Reference. M.P.E.C. 2003-A75 Informations. relative to: absolute reference frame: astrometric centre of frame: topocentre epoch of equinox: J2000 time scale: UTC reduction: no information coordinates: absolute diff. refraction: no information receptor: CCD telescope: 1 - ESO 8.2-m UT3 Telescope, D = 8.2 m. 2 - Canada-France-Hawaii Telescope, D = 3.6 m, 3 - Blanco reflector, D = 4.0 m observers: 1 - Petit J.-M., Rousselot P., Mousis O. Measurer Gladman B. 2 - Kavelaars J. Measurer Holman M. 3 - Holman M., Kavelaars J. Measurers Holman M., Kavelaars J., Grav T., Fraser W., Milisavljevic D. data included in standard data file: no Comments. Magnitudes reported for S/2002 N 1 are 23.8 - 24.6 for S/2002 N 2 are 25.2 - 25.7 for S/2002 N 3 are 24.9 - 25.4 Format. 1. Number of satellite (see above) 2. Year of the moment of observation 3. Month of the moment of observation 4. Day of the moment of observation with decimals 5. Hour of right ascension (alpha, h) 6. Minute of right ascension (alpha, m) 7. Second of right ascension (alpha, s) 8. Degree of declination (delta, deg) 9. Minute of declination (delta, ' ) 10. Second of declination (delta, '' ) 11. Number of observatory, N site (see above) 12. Number of observer, N obs (see above) 13. Number of telescope, N tel (see above) -------------------------------------------------------------- N Year alpha delta N N sat month day with site N tel decimals h m s deg ' '' obs --------------------------------------------------------------