Contents
               asteroid: (79360)Sila 
             satellites: Nunam   
           total number: 14
                   type: position
                  dates: 2001-2010
            observatory: 250 - Hubble Space Telescope  
                         
Reference
W.M. Grundy, S.D. Benecchi, D.L. Rabinowitz, S.B. Porter, L.H. Wasserman, B.A. Skiff, 
K.S. Noll, A.J. Verbiscer, M.W. Buie, S.W. Tourtellotte, D.C. Stephens, H.F. Levison
Mutual events in the Cold Classical transneptunian binary system Sila and Nunam.
Icarus. 2012. V. 220. P. 74–83.
2012Icar..220...74G

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 (see in publications)
               receptor: 
              telescope: 
                   Ntel 1 - STIS
                   Ntel 2 - NICMOS
                   Ntel 3 - ACS
                   Ntel 4 - WFPC2
                   Ntel 5 - WFC3   
    
Comments
 
Format
 1. Year of the moment of observation  
 2. Month of the moment of observation 
 3. Day of the moment of observation 
 4. Hour of the moment of observation with decimals, h
 5. Number of telescope, Ntel
 6. r - the distance from the Sun to the target, au 
 7. R - the distance from the observer to the target, au
 8. g - the phase angle - the solar phase angle, degrees
 9. X - relative right ascension, arcsec
10. SigX - the error of X, arcsec
11. Y - relative declination, arcsec 
12. SigY - the error of Y, arcsec
13. Vprim - visual magnitude for primary body, -99.9 if value is not given
14. sigVp - estimated uncertainties of Vprim, 0.0 if value is not given
15. Vsec - visual magnitude for secondary body, -99.9 if value is not given
16. SigVs - estimated  uncertainties of Vsec, 0.0  if value is not given

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Year   Day    h    Ntel  r       R       g       X       SigX       Y       SigY     Vprim    SigVp  Vsec    SigVs                 
   Month                 au      au     deg   arcsec   arcsec    arcsec   arcsec    
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