Content 
            asteroid: 2004 KB19
          satellites: companion
        total number: 1
                type: position
               dates: 2012-2012
         observatory: 250 - Hubble Space Telescope  

Reference.
 K. S. Noll, W. M. Grundy, S. D. Benecchi, H. Schlichting, R. Murray-Clay
2004 KB_19
CBET 4503 (2018)
CBET004503

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
    diff. refraction: no information 
            receptor: 
           telescope: HST

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, arcsec
 5. the error of X, arcsec
 6. Y, arcsec - position angle, degree  
 7. the error of Y, arcsec
  
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Year     Day       X    err X     Y    err Y         
    Month       arcsec arcsec arcsec arcsec                      
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