value quality siderealorsynodic author ref method 5.6140 3 Synodic Behrend LCDB Lightcurve 5.8481 2 Sidereal Durech 2018A&A...620A..91D Model 5.8481 2 Sidereal Durech 2019A&A...631A...2D Model 5.8481 2 Sidereal Durech 2023A&A...675A..24D Model 5.8486 2 Synodic Pal 2020ApJS..247...26P Lightcurve