value quality siderealorsynodic author ref method 0.8800 Synodic Erasmus 2018ApJS..237...19E Lightcurve 0.8800 Synodic Erasmus 2019ApJS..242...15E Lightcurve 57.4630 2 Sidereal Durech 2019A&A...631A...2D Model 57.4680 2 Sidereal Durech 2023A&A...675A..24D Model