value quality siderealorsynodic author ref method 10.2000 1 Synodic Clark 2015MPBu...42..163C Lightcurve 19.7017 2 Sidereal Durech 2023A&A...675A..24D Model 19.7020 2 Sidereal Durech 2019A&A...631A...2D Model 19.7030 2 Sidereal Durech 2018A&A...620A..91D Model 19.7480 2 Synodic Waszczak 2015AJ....150...75W Lightcurve