Contents.
      planet: 9 - Pluto
  satellites: 1 - P1 Charon   : 108
  satellites: 2 - P2 Nix      :   4
  satellites: 3 - P3 Hydra    :   4
  satellites: 4 - P4 Kerberos :   4
total number: 120
        type: relative
       dates: 2006-1012
 observatory: 250 - HST

Reference.
   Brozovic M., Showalter M. R.. Jacobson R. A., Buie M, W. (2015)
   The orbits and masses of satellites of Pluto.
   Icarus. 2015. V. 246. P. 317-329. 
   Supplement Material.
   2015Icar__246__317B

Informations.
         relative to: Pluto
     reference frame: astrometric
     centre of frame: topocentre
    epoch of equinox: ICRF
          time scale: UTC
           reduction: no information
         coordinates: X, Y relative to Pluto
    diff. refraction: no information
            receptor: HTS camera
           telescope: HST
           observers: HST Team

 data included in standard data file: no

Comments.
  Note that 47 relative observations of Charon
  found in (Brozovic et al., 2015, Supplement Material)
  are excluded being presented in the previous portions. 

Format.
  1. Year of the date of observation
  2. Month of the date of observation
  3. Day of the date of observation 
  4. Hour (h) of the date of observation
  5. Minute (m( of the date of observation 
  6. Seconds (s) of the date of observation with decimals (UTC)
  7. Number of the satellite (N sat)
  8. X, arcsec
  9. error of X, arcsec
 10. Y, arcsec
 11. error of Y, arcsec

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Year   Day     m        N       X       sigma X       Y       sigma Y
  Month     h     s    sat    arcsec     arcsec     arcsec     arcsec 
----------------------------------------------------------------------