value quality siderealorsynodic author ref method 3.6590 2 Synodic Waszczak 2015AJ....150...75W Lightcurve 3.6592 2 Sidereal Durech 2018A&A...617A..57D Model 3.6592 2 Sidereal Durech 2020A&A...643A..59D Model