value quality siderealorsynodic author ref method 8.8732 2 Synodic Pal 2020ApJS..247...26P Lightcurve 8.8735 2 Sidereal Durech 2023A&A...675A..24D Model 8.8736 2 Sidereal Durech 2020A&A...643A..59D Model 8.8776 2 Synodic Stone LCDB Lightcurve