Contents.
      planet: 5 - Jupiter
  satellites: J1 - Io       : 152,
              J2 - Europa   : 170,
              J3 - Ganymede : 198,
              J4 - Callisto : 207
total number: 727
        type: absolute
       dates: 2001-2005
 observatory: 689 - U.S. Naval Observatory, Flagstaff

Reference.
   USNO, Flagstaff
   Planetary Ephemeris Data    
   "CCD Astrometry of the Outer Planets and Satellites"
   http://ssd.jpl.nasa.gov/iau-comm4/plan-eph-data/ccd.nofs.html

Informations.
         relative to: absolute
     reference frame: astrometric
     centre of frame: topocentre
    epoch of equinox: J2000
          time scale: UTC
           reduction: Catalogue Tycho-2
         coordinates: absolute
    diff. refraction: no information
            receptor: CCD
           telescope: no information
           observers: no information
 data included in standard data file: no

Comments.
          
Format.
  1. Number of satellite (N sat): 1 -J1, 2 - J2, 3 - J3, 4 - J4
  2. JD of observation with decimals (UTC)
  3. Hour   of right ascension (alpha, h)
  4. Minute of right ascension (alpha, m)
  5. Second of right ascension (alpha, s)
  6. Degree of declination (delta, deg)
  7. Minute of declination (delta, '  )
  8. Second of declination (delta, '' )

------------------------------------------------
 N  JD                 alpha           delta    
sat (UTC)             h  m  s       deg  ' ''
------------------------------------------------