value quality siderealorsynodic author ref method 3.0260 2 Synodic Waszczak 2015AJ....150...75W Lightcurve 3.4624 2 Sidereal Durech 2018A&A...617A..57D Model 3.4630 2 Synodic Waszczak 2015AJ....150...75W Lightcurve