value quality siderealorsynodic author ref method 12.5990 2 Synodic Oey 2009MPBu...36..162O Lightcurve 25.0304 2 Sidereal Durech 2020A&A...643A..59D Model 25.1100 2 Synodic Polakis 2022MPBu...49..179P Lightcurve