value quality siderealorsynodic author ref method 11.5274 3 Synodic Behrend LCDB Lightcurve 11.5300 1 Synodic Behrend LCDB Lightcurve 11.5307 2 Sidereal Durech 2020A&A...643A..59D Model 23.0723 2 Synodic Pal 2020ApJS..247...26P Lightcurve