value quality siderealorsynodic author ref method 5.7233 2 Synodic Pal 2020ApJS..247...26P Lightcurve 5.7237 2 Sidereal Durech 2023A&A...675A..24D Model 5.7240 2- Synodic Erasmus 2020ApJS..247...13E Lightcurve