value quality siderealorsynodic author ref method 2.6529 3 Synodic Behrend LCDB Lightcurve 2.6580 3 Synodic Benishek 2022MPBu...49...38B Lightcurve 2.6580 3 Synodic Pravec LCDB Lightcurve 2.6580 2 Synodic Pal 2020ApJS..247...26P Lightcurve 2.6581 3 Synodic Pravec LCDB Lightcurve 2.6600 2 Synodic Hawkins 2008MPBu...35....1H Lightcurve