value quality siderealorsynodic author ref method 3.3747 2 Synodic Pal 2020ApJS..247...26P Lightcurve 3.3748 2 Sidereal Hanus 2011A&A...530A.134H Model 3.3748 3 Synodic Behrend LCDB Lightcurve 3.3750 2- Synodic Erasmus 2020ApJS..247...13E Lightcurve