value quality siderealorsynodic author ref method 7.2900 3- Synodic Stephens 2015MPBu...42..104S Lightcurve 7.3150 2 Sidereal Durech 2023A&A...675A..24D Model 7.3151 3 Synodic Pilcher 2011MPBu...38...76P Lightcurve 7.6461 2 Synodic Behrend LCDB Lightcurve