Content asteroid: (317)Roxane satellites: S/2009(317) total number: 1 type: position dates: 2009 - 2009 observatory: 568 - Mauna Kea Reference. Merline, W. J.; Tamblyn, P. M.; Drummond, J. D.; Christou, J. C.; Conrad, A. R.; Keck Observatory, W. M.; Carry, B.; Chapman, C. R.; Dumas, C.; Durda, D. D.; and 2 coauthors IAU Circ., No. 9099, #2 (2009) 2009IAUC.9099....2M 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 - separation, p - position angle diff. refraction: no information receptor: adaptive optics telescope: the 8-m Gemini-North telescope (+ Altair/NIRI) Comments. 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. p - position abgle, degree ------------------------------ Year Day s p Month arcsec degree ------------------------------