Contents.
      planet: 5 - Jupiter
  satellites: J1 - Io       : 55,
              J2 - Europa   : 54,
              J3 - Ganymede : 60,
              J4 - Callisto : 60
total number: 229
        type: absolute
       dates: 2005-2006
 observatory: 689 - U.S. Naval Observatory, Flagstaff

Reference.
   USNO, Flagstaff
   Planetary Ephemeris Data    
   ftp://ftp.nofs.navy.mil/pub/outgoing/plansats/

Informations.
         relative to: absolute
     reference frame: astrometric
     centre of frame: geocentre
    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. Year   of the moment of observation
  3. Month  of the moment of observation
  4. Day    of the moment of observation
  5. Hour   of the moment of observation (UTC)
  6. Minute of the moment of observation (UTC)
  7. Second of the moment of observation (UTC)
  8. Hour   of right ascension (alpha, h)
  9. Minute of right ascension (alpha, m)
 10. Second of right ascension (alpha, s)
 11. Degree of declination (delta, deg)
 12. Minute of declination (delta, '  )
 13. Second of declination (delta, '' )
 14. Geocentric parallax in Dec (arcsec) [geo - topo positions]

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 N  Year   Day  Time(UTC)   alpha           delta     Parallax 
sat  Month      h  m  s     h  m  s       deg  ' ''   (arcsec)
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