value quality siderealorsynodic author ref method 16.2648 2 Synodic Pal 2020ApJS..247...26P Lightcurve 2.8726 3 Synodic Pravec LCDB Lightcurve 2.8726 3 Synodic Pravec LCDB Lightcurve 2.8728 2 Synodic Pravec LCDB Lightcurve 2.8732 1+ Synodic Pravec LCDB Lightcurve