value quality siderealorsynodic author ref method 12.1172 2 Sidereal Durech 2020A&A...643A..59D Model 12.1173 2 Sidereal Durech 2023A&A...675A..24D Model 12.1180 2 Synodic Waszczak 2015AJ....150...75W Lightcurve