value quality siderealorsynodic author ref method 14.7980 1 Synodic Behrend LCDB Lightcurve 24.0000 1 Synodic Warner 1999MPBu...26...31W Lightcurve 32.1535 2 Synodic Pal 2020ApJS..247...26P Lightcurve 64.4530 3 Synodic Stephens 2010MPBu...37...17S Lightcurve