value quality siderealorsynodic author ref method 4.7044 3 Synodic Behrend LCDB Lightcurve 4.7051 3 Synodic Pravec LCDB Lightcurve 4.7060 3 Synodic Benishek 2021MPBu...48..280B Lightcurve 4.7070 3 Synodic Pravec LCDB Lightcurve