Contents.
           asteroid: (66652)Borasisi
         satellites: Pabu  
       total number: 5
               type: position
              dates: 2003-2003
        observatory: 250 - Hubble Space Telescope                      

Reference.
K. S. Nolla, D. C. Stephensa, W. M. Grundyb, I. Griffinc.
The orbit, mass, and albedo of transneptunian binary (66652) 1999 RZ253
Icarus. 2004. V. 172. Issue 2. P. 402–407.
2004Icar..172..402N

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 - the distance from the companion to the target,
                     g -position angle
   diff. refraction: no information 
           receptor: 
          telescope: 
             Ntel 1 - NIC2
             Ntel 2 - ACS/HRC

Comments
The binary has been resolved at five of these seven epochs, and the remaining
two provide upper limits 0.1  
  
Format
 1. Year of the moment of observation  
 2. Month of the moment of observation 
 3. Day of the moment of observation with decimals 
 4. Number of telescope, Ntel
 5. X - the distance from the companion to the target, arcsec 
 6. SigX - the error of X, arcsec 
 7. g - position angle, degrees
 8. Sig g - the error of g, degrees
 9. r - the distance from the Sun to the target, au 
10. R - the distance from the observer to the target, au

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Year      Day   Ntel    X     SigX     g    Sig g     r      R     
    Month             arcsec  arcsec  deg    deg      au     au              
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