value quality siderealorsynodic author ref method 2.3300 2 Synodic Galad 2008MPBu...35...17G Lightcurve 2.4954 3 Synodic Benishek 2023CBET.5213....1B Lightcurve 2.4957 2 Synodic Pal 2020ApJS..247...26P Lightcurve