value quality siderealorsynodic author ref method 3.9181 3 Synodic Behrend LCDB Lightcurve 3.9185 2 Sidereal Durech 2023A&A...675A..24D Model 3.9185 2 Synodic Pal 2020ApJS..247...26P Lightcurve 3.9200 3 Synodic Ferrero 2010MPBu...37..145F Lightcurve