asteroid: (136108)Haumea
  satellites: 1 - Hi'iaka: 33
              2 - Namaka: 29
total number: 62
        type: position
       dates: 2005-2008
 observatory: 568 - Mauna Kea (W.M.Keck observatory, Hawaii, USA)  
              250 - Hubble Space Telescope (HST) 

D. Ragozzine, M. E. Brown.
Orbits and masses of the satellites of the dwarf planet Haumea (2003 EL61).
The Astronomical Journal. 2009. V. 137. P. 47664776. 

         relative to: primary
     reference frame: astrometric ICRF
     centre of frame: topocentre
    epoch of equinox: J2000
          time scale: UTC
           reduction: not available
         coordinates: X, Y (secondary relative to primary) 
            receptor: CCD
           telescope: 1 - Keck II (NIRC2 camera)
                      2 - HST HRC/ACS (High-Resolution Camera of the Advanced Camera for Surveys
                      3  HST WFPC2 (Wide Field Planetary Camera) 
                      4  HST NICMOS
Comment: no

  1. JD - The Julian Date of observation
  2. Year of the moment of observation
  3. Month of the moment of observation
  4. Day of the moment of observation
  5. Nsat - the number of satellite
  6. X(arcsec) - relative right ascension
  7. Y(arcsec) - relative declination
  8. sigmaX - estimated astrometric errors of X
  9. sigmaY - estimated astrometric errors of Y
 10. Ntel - number of telescope and camera
 11. Code - Code of observatory

 JD         Year        Nsat    X         Y       sigmaX    sigmaY   Ntel Code
               Month         arcsec     arcsec    arcsec    arcsec