value quality siderealorsynodic author ref method 26.1680 2 Synodic Waszczak 2015AJ....150...75W Lightcurve 26.2360 2 Synodic Waszczak 2015AJ....150...75W Lightcurve 26.2640 2 Synodic Waszczak 2015AJ....150...75W Lightcurve