value quality siderealorsynodic author ref method 10.0204 2 Sidereal Durech 2020A&A...643A..59D Model 10.0800 3 Synodic Warner 2007MPBu...34...72W Lightcurve 9.0100 2 Synodic Behrend LCDB Lightcurve 9.0127 2 Synodic Behrend LCDB Lightcurve