value quality siderealorsynodic author ref method 7.5153 2 Sidereal Durech 2018A&A...620A..91D Model 7.5153 2 Sidereal Durech 2023A&A...675A..24D Model 7.5154 2 Sidereal Durech 2019A&A...631A...2D Model 7.5160 3 Synodic Li 2013MPBu...40...68L Lightcurve