value quality siderealorsynodic author ref method 15.0500 2 Synodic Stephens 2004MPBu...31...40S Lightcurve 7.5239 2 Sidereal Durech 2020A&A...643A..59D Model 7.5250 3 Synodic Behrend LCDB Lightcurve 7.5310 2+ Synodic Dose 2021MPBu...48...69D Lightcurve