Contents. planet: 9 - Pluto satellites: 1 - Charon : 12, 2 - 2005 P1 : 12, 3 - 2005 P2 : 12 total number: 36 type: relative dates: 2002-2003 observatory: 250 - Hubble Space Telescope Reference. Buie M. W., Grundy W. M., Young E. F., Young L. A., Stern S. A. (2006) Orbits and photometry of Pluto's satellites: Charon, S/2005 P1 and S/2005 P2. The Astronomical Journal. V. 132. N. 1. P. 290–298. 2006AJ____132__290B Informations. relative to: planet reference frame: astrometric centre of frame: topocentre epoch of equinox: J2000 time scale: UTC reduction: no information coordinates: differential diff. refraction: no information receptor: CCD telescope: HST observers: M. W. Buie, W. M. Grundy, E. F. Young, L. A. Young, S. A. Stern data included in standard data file: no Comments. no information Format. 1. Midtime of observation, JD, UTC 2. Visit ID (see reference) 3. Difference in R.A. Charon - Pluto, arcsec 4. Difference in Decl. Charon - Pluto, arcsec 5. Difference in R.A. S/2005 P1 - Pluto, arcsec 6. Difference in Decl. S/2005 P1 - Pluto, arcsec 7. Difference in R.A. S/2005 P2 - Pluto, arcsec 8. Difference in Decl. S/2005 P2 - Pluto, arcsec ---------------------------------------------------------------------------- Charon-Pluto S/2005 P1 - Pluto S/2005 P1 - Pluto JD Visit Delta Delta Delta Delta Delta Delta ID alpha delta alpha delta alpha delta ----------------------------------------------------------------------------