value quality siderealorsynodic author ref method 5.5612 2 Sidereal Durech 2019A&A...631A...2D Model 5.5612 2 Sidereal Durech 2023A&A...675A..24D Model 7.1500 2 Synodic Aznar 2016MPBu...43..257A Lightcurve