asteroid: (90482)Orcus                                                   
          satellites: companion                                                
        total number: 1                                                       
                type: position                                                 
               dates: 2005-2005                                                
         observatory: 250 - Hubble Space Telescope                     

Brown M. E., Suer  T.-A. 
Satellites of 2003 AZ_84, (50000), (55637), and (90482).
IAU Circ., No. 8812, #1 (2007).

         relative to: the primary                                     
     reference frame: astrometric ICRF
     centre of frame: topocentric
    epoch of equinox: J2000
          time scale: UTC
           reduction: no information 
         coordinates: separation - s, pos. angle - p (secondary relative to the primary)
    diff. refraction: no information 
            receptor: CCD HST
           telescope: High Resolution Camera (+ F606W filter)


 1. Year of the moment of observation  
 2. Month of the moment of observation 
 3. Day of the moment of observation with decimals  
 4. s -separation, arcsec
 5. Sig s - the error of s , arcsec
 6. p - position angle, degree  
 7. Sig p - the error of p , degree

Year     Day      s     Sig s    p    Sig p     
    Month       arcsec  arcsec  deg     deg