value quality siderealorsynodic author ref method 12.6800 2 Synodic Stephens 2004MPBu...31....4S Lightcurve 34.3000 2 Synodic Warner 2010MPBu...37...73W Lightcurve 6.0000 1 Synodic Behrend LCDB Lightcurve 8.5994 2 Synodic Behrend LCDB Lightcurve 8.6100 2 Synodic Behrend LCDB Lightcurve 8.6138 2 Synodic Pal 2020ApJS..247...26P Lightcurve