value quality siderealorsynodic author ref method 4.0200 2 Synodic Chang 2015ApJS..219...27C Lightcurve 4.0209 2 Sidereal Durech 2016A&A...587A..48D Model 4.0230 2 Synodic Waszczak 2015AJ....150...75W Lightcurve