Contents. planet: 9 - Pluto satellites: 2 - 2005 P1 : 3 3 - 2005 P2 : 3 total number: 6 type: relative dates: 2005-2006 observatory: 250 - Hubble Space Telescope Reference. A. J. Steffl (SwRI), M. W. Buie (Lowell Observatory), and W. J. Merline, J. R. Spencer, E. F. Young, and L. A. Young. S/2005 P 1 AND S/2005 P 2. IAUC 8625 Informations. relative to: planet reference frame: astrometric centre of frame: topocentre epoch of equinox: J2000 time scale: UTC reduction: no information coordinates: diff. refraction: no information receptor: CCD telescope: HST observers: A. J. Steffl (SwRI), M. W. Buie (Lowell Observatory), W. J. Merline, J. R. Spencer, E. F. Young, L. A. Young. data included in standard data file: no Comments. no information Format. 1. Number of satellite (N sat) 2. Year of the date of observation 3. Month of the date of observation 4. Day of the date of observation with decimals (UTC) 5. Distance, arcsec 6. Position angle, degrees 7. Topocentric magnitude at the moment of observation (Magn.) -------------------------------------- year Dist. Pos. Magn. N month angle sat day arcsec deg. --------------------------------------