Content 
              asteroid: 2004 PB_108
            satellites: companion
          total number: 1
                  type: position
                 dates: 2006-2006
           observatory: 250 - Hubble Space Telescope  

Reference.
Noll, K. S.; Grundy, W. M.; Kern, S. D.; Levison, H. F.; Stephens, D. C.
2004 PB_108 and (60621) 2000 FE_8
IAUC8816, 2007
2007IAUC.8816....1N

Informations.
           relative to: the primary
       reference frame: astrometric ICRF
       centre of frame: topocentric
      epoch of equinox: J2000
            time scale: UTC
             reduction: no information 
           coordinates: s, p (separation, position angle)
      diff. refraction: no information 
              receptor: 
             telescope: the Advanced Camera

Comments. The observations were made during 2006 Aug. 4.300-4.377 UT. 
          We used the average time from this interval

Format.
 1. Year of the moment of observation  
 2. Month of the moment of observation 
 3. Day of the moment of observation  
 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 

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