value quality siderealorsynodic author ref method 5.5152 2 Sidereal Durech 2023A&A...675A..24D Model 5.5154 2 Sidereal Durech 2018A&A...620A..91D Model 5.5161 2 Sidereal Durech 2019A&A...631A...2D Model 5.5170 2 Synodic Waszczak 2015AJ....150...75W Lightcurve