value quality siderealorsynodic author ref method 11.9144 2 Sidereal Durech 2019A&A...631A...2D Model 11.9166 2 Sidereal Durech 2018A&A...620A..91D Model 11.9169 2 Sidereal Durech 2023A&A...675A..24D Model 11.9198 2 Synodic Pal 2020ApJS..247...26P Lightcurve