value quality siderealorsynodic author ref method 4.6500 3 Synodic Brinsfield 2008MPBu...35..119B Lightcurve 4.6562 2 Sidereal Durech 2016A&A...587A..48D Model 4.6568 3 Synodic Pravec LCDB Lightcurve 4.6570 2 Synodic Erasmus 2020ApJS..247...13E Lightcurve 4.6600 2 Synodic Behrend LCDB Lightcurve