value quality siderealorsynodic author ref method 9.4501 2 Sidereal Durech 2023A&A...675A..24D Model 9.4502 2 Sidereal Durech 2020A&A...643A..59D Model 9.4505 2 Sidereal Durech 2018A&A...620A..91D Model 9.4530 2 Synodic Waszczak 2015AJ....150...75W Lightcurve