value quality siderealorsynodic author ref method 2.9230 2 Synodic Waszczak 2015AJ....150...75W Lightcurve 2.9230 2 Synodic Waszczak 2015AJ....150...75W Lightcurve 2.9300 2 Synodic Chang 2015ApJS..219...27C Lightcurve