value quality siderealorsynodic author ref method 4.0200 2 Synodic Chang 2016ApJS..227...20C Lightcurve 4.3850 2 Synodic Waszczak 2015AJ....150...75W Lightcurve 4.3871 2 Synodic Pal 2020ApJS..247...26P Lightcurve