value quality siderealorsynodic author ref method 11.9455 2 Synodic Pal 2020ApJS..247...26P Lightcurve 5.9777 3 Synodic Behrend LCDB Lightcurve 5.9780 3 Synodic Ditteon 2007MPBu...34...59D Lightcurve 5.9780 2 Sidereal Durech 2019A&A...631A...2D Model 5.9788 2 Synodic Behrend LCDB Lightcurve