value quality siderealorsynodic author ref method 4.4608 2 Synodic Warner 2023MPBu...50..164W Lightcurve 4.6820 2 Synodic Warner 2009MPBu...36....7W Lightcurve 4.6940 2 Synodic Warner 2015MPBu...42..183W Lightcurve 4.7660 2- Synodic Stephens 2021MPBu...48..246S Lightcurve 4.7660 2 Synodic Stephens 2020MPBu...47...50S Lightcurve 4.7850 2 Synodic Warner 2012MPBu...39...83W Lightcurve