value quality siderealorsynodic author ref method 11.1750 2 Synodic Waszczak 2015AJ....150...75W Lightcurve 11.2180 3 Synodic Ditteon 2012MPBu...39...26D Lightcurve 5.6100 2 Synodic Chang 2015ApJS..219...27C Lightcurve