value quality siderealorsynodic author ref method 2.5013 3 Synodic Higgins 2006MPBu...33....8H Lightcurve 2.5013 3 Synodic Pravec LCDB Lightcurve 2.5014 3 Synodic Warner 2019MPBu...46...27W Lightcurve 2.5016 3 Synodic Pravec LCDB Lightcurve