value quality siderealorsynodic author ref method 3.0800 3 Synodic Behrend LCDB Lightcurve 3.1172 2 Sidereal Durech 2020A&A...643A..59D Model 3.1174 3 Synodic Benishek 2023MPBu...50..142B Lightcurve 3.1177 3 Synodic Stephens 2006MPBu...33...52S Lightcurve