value quality siderealorsynodic author ref method 4.8888 3 Synodic Oey 2010MPBu...37..135O Lightcurve 4.8889 2 Sidereal Durech 2020A&A...643A..59D Model 4.8890 2 Synodic Waszczak 2015AJ....150...75W Lightcurve