value quality siderealorsynodic author ref method 16.4920 3 Synodic Behrend LCDB Lightcurve 16.4940 3- Synodic Lim 2011Icar..213..510L Lightcurve 16.4984 2 Sidereal Durech 2020A&A...643A..59D Model 16.5075 3 Synodic Benishek 2009MPBu...36...35B Lightcurve 6.0000 1 Synodic Behrend LCDB Lightcurve