value quality siderealorsynodic author ref method 10.1147 2 Sidereal Durech 2019A&A...631A...2D Model 10.1150 2+ Synodic Durkee 2011MPBu...38..167D Lightcurve 10.1170 2+ Synodic Behrend LCDB Lightcurve 10.1680 3 Synodic Carreno 2019MPBu...46..200C Lightcurve