value quality siderealorsynodic author ref method 5.9684 3- Synodic Pilcher 2016MPBu...43..304P Lightcurve 5.9688 2 Synodic Pal 2020ApJS..247...26P Lightcurve 5.9740 3 Synodic Behrend LCDB Lightcurve 5.9800 2 Synodic Behrend LCDB Lightcurve 5.9800 2 Synodic Behrend LCDB Lightcurve