value quality siderealorsynodic author ref method 4.9840 2 Sidereal Durech 2020A&A...643A..59D Model 4.9840 2 Sidereal Durech 2023A&A...675A..24D Model 4.9870 3 Synodic Warner 2006MPBu...33...35W Lightcurve 8.0990 2 Synodic Pal 2020ApJS..247...26P Lightcurve 8.2600 2 Synodic Behrend LCDB Lightcurve