value quality siderealorsynodic author ref method 2.5483 2 Synodic Pal 2020ApJS..247...26P Lightcurve 2.5487 3 Synodic Pravec LCDB Lightcurve 2.5488 2 Synodic Pravec 2000Icar..146..190P Lightcurve 2.5488 2 Synodic Pravec 2006Icar..181...63P Lightcurve 2.5488 3 Synodic Pravec LCDB Lightcurve 2.5490 3 Synodic Pravec LCDB Lightcurve