value quality siderealorsynodic author ref method 8.5000 2 Synodic Behrend LCDB Lightcurve 98.4500 2 Sidereal Durech 2019A&A...631A...2D Model 98.4600 2 Sidereal Durech 2023A&A...675A..24D Model 98.5300 2 Synodic Marchini 2021MPBu...48..330M Lightcurve