planet: 7 - Uranus
  satellites: U8 - Bianca:      3
              U9 - Cressida:   10
              U10 - Desdemona: 11
              U11 - Juliet:    19
              U12 - Portia:    33
              U13 - Rosalind:   9
              U14 - Belinda:   13
              U15 - Puck:      32
total number: 130
        type: relative
       dates: 1994-1994
 observatory: HST

   Pascu Dan, Rohde James R., Seidelmann P. Kenneth, Wells Eddie N.,
   Kowal Charles T., Zellner Ben H., Storrs Alex D.,
   Currie Douglas G., Dowling Daniel M., (1998)
   Hubble Space Telescope Astrometric Observations and Orbital
   Mean Motion Corrections for the Inner Uranian Satellites.
   Astronomical Journal.
   V. 115. P. 1190-1194.

         relative to: U5 - Miranda : 130
     reference frame: astrometric
     centre of frame: topocentre
    epoch of equinox: J2000
          time scale: UTC
           reduction: no information
         coordinates: X, Y
    diff. refraction: no information
            receptor: CCD
           telescope: HST
           observers: Pascu D., Rohde J.R., Seidelmann P. K.,
                      Wells E.N., Kowal C.T., Zellner B.H.,
                      Storrs A.D., Currie D.G., Dowling D.M.
 data included in standard data file: no

     The ephemeris position angles of Ariel with respect
     to Miranda were used to determine orientation corrections
     for each frame. 

  1. Number of satellite
  2. Number of frame
  3. Year   of the moment of observation
  4. Month  of the moment of observation
  5. Day    of the moment of observation
  6. Hour   of the moment of observation
  7. Minute of the moment of observation
  8. Seconde of the moment of observation
  9. X, arcsec
 10. Y, arcsec
 11. Separation, arcsec
 12. Position angle, degrees

 N     N    Year           UTC       X        Y       Sep   Position
sat    of      month                                         angle
      frame        day   h  m  s   arcsec   arcsec   arcsec  degrees