value quality siderealorsynodic author ref method 11.1477 2 Sidereal Durech 2023A&A...675A..24D Model 11.1560 2 Synodic Waszczak 2015AJ....150...75W Lightcurve 16.7993 2 Sidereal Durech 2018A&A...617A..57D Model