value quality siderealorsynodic author ref method 17.9980 1 Synodic Loera 2019MPBu...46..283L Lightcurve 335.9000 2 Synodic Polakis 2018MPBu...45..269P Lightcurve 350.6100 2 Sidereal Durech 2020A&A...643A..59D Model