value quality siderealorsynodic author ref method 10.2656 2 Synodic Pal 2020ApJS..247...26P Lightcurve 10.2680 3- Synodic Warner 2013MPBu...40...71W Lightcurve 10.2780 3- Synodic Warner 2010MPBu...37...24W Lightcurve 10.2900 3- Synodic Stephens 2014MPBu...41..226S Lightcurve 10.8000 1 Synodic Behrend LCDB Lightcurve