Content  
          asteroid:(317)Roxane
        satellites: Olympias (S/2009 (317)1)
      total number: 43
              type: position 
             dates: 2009-2017
       observatory: 568 - Mauna Kea
                    309 - Cerro Paranal
                    Starfire Optical Range (SOR)

Reference.
   Drummond J. D. et al. (2021)
   The orbit of asteroid (317) Roxane's satellite Olympias from Gemini, Keck, VLT and the SOR,
   and (22) Kalliope's Linus from the SOR.
   Icarus, Vol. 358, article id. 114275. 
   2021Icar..35814275D

Informations.
       relative to: the primary
   reference frame: astrometric ICRF
   centre of frame: topocentric
  epoch of equinox: J2000
        time scale: UTC 
         reduction: no information 
       coordinates: position angle and separation
  diff. refraction: no information 
          receptor: adaptive optics 
         telescope: 1 - 8-m Gemini North telescope + NIRI camera fed by the ALTAIR AO system
                    2 - Keck II 10-m telescope + NIRC2 camera
                    3 - VLT + NACO system
                    4 - unknown
Comments.
  1. Data for Gemini North Telescope observations made on Nov. 24, 2009 seem to be revision of observation
     given in the portion abin0095.
  2. Coordinates of SOR: φ = +34.9643°, λ = -106.4626°

Format.
 1. Year of the date of observation  
 2. Month of the date of observation 
 3. Day of the date of observation  
 4. Hour of the date of observation  
 5. Minute of the date of observation  
 6. Position angle (P, degrees)
 7. Separation (s, arcsec)
 8. Observatory (Obs: 568, 309, SOR)
 9. Telescope (T)

---------------------------------------
Year   Day   min    P     s      Obs  T
  Month   hour     deg   arcsec
---------------------------------------