value quality siderealorsynodic author ref method 23.8200 1 Synodic Di Martino 1994Icar..107..269D Lightcurve 47.0090 3 Synodic Pilcher 2008MPBu...35..104P Lightcurve 47.0140 2 Sidereal Durech 2020A&A...643A..59D Model