value quality siderealorsynodic author ref method 32.2300 2- Synodic Behrend LCDB Lightcurve 330.0000 2 Synodic Pravec LCDB Lightcurve 411.1000 2 Sidereal Durech 2023A&A...675A..24D Model 658.4000 2 Synodic Polakis 2020MPBu...47..101P Lightcurve