value quality siderealorsynodic author ref method 3.2251 3 Synodic Behrend LCDB Lightcurve 3.2324 3- Synodic Skiff LCDB Lightcurve 3.2365 3 Synodic Pravec LCDB Lightcurve 3.2370 2 Synodic Waszczak 2015AJ....150...75W Lightcurve 3.2370 3 Synodic Benishek 2021MPBu...48...77B Lightcurve