value quality siderealorsynodic author ref method 11.6265 2 Sidereal Durech 2019A&A...631A...2D Model 11.6268 2 Sidereal Durech 2018A&A...620A..91D Model 11.6270 2 Synodic Erasmus 2020ApJS..247...13E Lightcurve 11.6310 2 Synodic Waszczak 2015AJ....150...75W Lightcurve