value quality siderealorsynodic author ref method 14.7571 2 Synodic Pal 2020ApJS..247...26P Lightcurve 5.3631 2 Sidereal Durech 2023A&A...675A..24D Model 5.3631 3 Synodic Behrend LCDB Lightcurve 5.3631 2 Sidereal Durech 2020A&A...643A..59D Model