value quality siderealorsynodic author ref method 2.0980 1 Synodic Waszczak 2015AJ....150...75W Lightcurve 48.1740 2- Synodic Erasmus 2020ApJS..247...13E Lightcurve 7.0500 2 Synodic Warner 2018MPBu...45...39W Lightcurve