value quality siderealorsynodic author ref method 2.0000 Synodic Erasmus 2018ApJS..237...19E Lightcurve 2.0000 Synodic Erasmus 2019ApJS..242...15E Lightcurve 294.6800 2 Sidereal Durech 2020A&A...643A..59D Model 295.0000 3 Synodic Oey 2008MPBu...35..132O Lightcurve