Contents. planet: 8 - Neptune satellites: N5 - Despina : 6, N6 - Galatea : 17, N7 - Larissa : 13, N8 - Proteus : 39 total number: 75 type: relative dates: 1997-1997 observatory: 250 - Hubble Space Telescope Reference. Pascu D., Rohde J. R., Seidelmann P. K., Wells E. N., Hershey John L., Storrs A. D., Zellner B. H., Bosh A. S., Currie D. G., (2004) Hubble Space Telescope Astrometric Observations and Orbital Mean Motion Corrections for the Inner Satellites of Neptune. The Astronomical Journal. V. 127. N. 5. P. 2988-2996. 2004AJ____127_2988P Informations. relative to: planet reference frame: astrometric centre of frame: geocentre epoch of equinox: J2000 time scale: UTC reduction: no information coordinates: X, Y diff. refraction: no information receptor: CCD telescope: HST observers: HST data included in standard data file: no Comments. no information Format. 1. Number of satellite (N sat) : 5 - N5, 6 - N6, 7 - N7, 8 - N8. 2. Year of the moment of observation 3. Month of the moment of observation 4. Day of the moment of observation 5. Hour of the moment of observation 6. Minutes of the moment of observation 7. Secondes of the moment of observation 8. X, arcsec 9. Y, arcsec 10. Separation (Sep), arcsec 11. Position angle, degrees ------------------------------------------------------------ Year hour X Y Sep Position N month minutes arcsec arcsec arcsec angle sat day sec degrees ------------------------------------------------------------