value quality siderealorsynodic author ref method 3.0080 2- Synodic Erasmus 2020ApJS..247...13E Lightcurve 3.0081 3- Synodic Clark 2014MPBu...41..178C Lightcurve 3.0084 2 Sidereal Durech 2020A&A...643A..59D Model