value quality siderealorsynodic author ref method 11.7160 2 Synodic Erasmus 2020ApJS..247...13E Lightcurve 11.7173 2 Sidereal Durech 2020A&A...643A..59D Model 11.7173 2 Sidereal Durech 2023A&A...675A..24D Model 5.9300 1 Synodic Chang 2016ApJS..227...20C Lightcurve