value quality siderealorsynodic author ref method 3.8970 3- Synodic Warner 2012MPBu...39..245W Lightcurve 3.9020 2 Synodic Stephens 2022MPBu...49..314S Lightcurve 3.9020 3 Synodic Warner 2008MPBu...35...56W Lightcurve 3.9048 2 Synodic Pal 2020ApJS..247...26P Lightcurve 3.9049 3 Synodic Skiff 2019MPBu...46..458S Lightcurve 3.9090 3- Synodic Benishek 2018MPBu...45...82B Lightcurve