value quality siderealorsynodic author ref method 4.1837 2 Sidereal Durech 2020A&A...643A..59D Model 4.1840 3 Synodic Apostolovska 2004MPBu...31...44A Lightcurve 4.1840 3 Synodic Koff 2004MPBu...31...33K Lightcurve 4.1840 3 Synodic Strabla 2013MPBu...40...83S Lightcurve 4.1846 3 Synodic Behrend LCDB Lightcurve