Content 
                      asteroid: (38628) HUYA
                    satellites: companion
                  total number: 1 
                          type: position 
                         dates: 2012-2012
                   observatory: 250 - Hubble Space Telescope

Reference.
Noll, K. S.; Grundy, W. M.; Schlichting, H.; Murray-Clay, R.; Benecchi, S. D.
IAUC9253, 2012
2012IAUC.9253....2N

Informations.         
                  relative to: the primary      
              reference frame: astrometric ICRF
              centre of frame: topocentric
             epoch of equinox: J2000
                   time scale: UTC
                    reduction: no information 
                  coordinates: X, Y - secondary relative to primary
             diff. refraction: no information 
                     receptor: 
                    telescope: the Wide Field Camera 3

Comments.

Format.
 1. Year of the moment of observation  
 2. Month of the moment of observation 
 3. Day of the moment of observation  
 4. X - relative right ascension, arcsec
 5. SigX - the error of X, arcsec
 6. Y - relative declination, arcsec 
 7  SigY - the error of Y, arcsec
 
 
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Year       Day           X       SigX       Y      SigY      
      Month            arcsec   arcsec   arcsec   arcsec                       
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