value quality siderealorsynodic author ref method 15.2195 2- Synodic Pal 2020ApJS..247...26P Lightcurve 7.7000 2- Synodic Behrend LCDB Lightcurve 7.7000 2 Synodic Dose 2022MPBu...49..141D Lightcurve 7.7011 3 Synodic Behrend LCDB Lightcurve