value quality siderealorsynodic author ref method 2.9800 3 Synodic Ryan LCDB Lightcurve 2.9820 3 Synodic Benishek 2022MPBu...49..149B Lightcurve 2.9884 3 Synodic Franco LCDB Lightcurve 2.9887 3 Synodic Behrend LCDB Lightcurve 2.9890 3 Synodic Benishek LCDB Lightcurve