value quality siderealorsynodic author ref method 154.0330 2 Sidereal Durech 2019A&A...631A...2D Model 154.4650 2 Synodic Pal 2020ApJS..247...26P Lightcurve 5.2880 2 Synodic Aznar 2017MPBu...44...60A Lightcurve