value quality siderealorsynodic author ref method 5.7800 2 Synodic Behrend LCDB Lightcurve 6.5951 2 Synodic Pal 2020ApJS..247...26P Lightcurve 6.5954 2 Sidereal Durech 2019A&A...631A...2D Model 6.9530 3 Synodic Durkee 2012MPBu...39...92D Lightcurve