value quality siderealorsynodic author ref method 12.0000 1 Synodic Behrend LCDB Lightcurve 13.3950 3 Synodic Warner 2008MPBu...35...56W Lightcurve 17.1640 2 Synodic Behrend LCDB Lightcurve 17.1640 2 Synodic Behrend LCDB Lightcurve 26.7268 2 Synodic Pal 2020ApJS..247...26P Lightcurve