value quality siderealorsynodic author ref method 5.4500 2 Synodic Chang 2016ApJS..227...20C Lightcurve 5.4748 2 Sidereal Durech 2018A&A...617A..57D Model 5.4760 2 Synodic Waszczak 2015AJ....150...75W Lightcurve