value quality siderealorsynodic author ref method 15.9500 2 Synodic Behrend LCDB Lightcurve 15.9800 1 Synodic Behrend LCDB Lightcurve 16.3500 2 Synodic Stephens 2002MPBu...29...72S Lightcurve 17.4603 2 Sidereal Durech 2023A&A...675A..24D Model 17.4610 2 Sidereal Durech 2020A&A...643A..59D Model