value quality siderealorsynodic author ref method 6.0969 2 Synodic Pal 2020ApJS..247...26P Lightcurve 6.0975 2 Sidereal Durech 2023A&A...675A..24D Model 6.0983 2 Sidereal Durech 2019A&A...631A...2D Model 6.1010 3- Synodic Simpson 2013MPBu...40..146S Lightcurve