value quality siderealorsynodic author ref method 11.7180 2 Synodic Behrend LCDB Lightcurve 11.8559 2 Synodic Pal 2020ApJS..247...26P Lightcurve 11.8570 3 Synodic Pilcher 2016MPBu...43..304P Lightcurve 7.9020 2 Synodic Lazar 2001MPBu...28...32L Lightcurve