value quality siderealorsynodic author ref method 9.5800 3 Synodic Skiff 2012MPBu...39..111S Lightcurve 9.5819 3 Synodic Skiff 2019MPBu...46..238S Lightcurve 9.5820 2+ Synodic Ye 2009MPBu...36..126Y Lightcurve 9.6000 3- Synodic Warner 2015MPBu...42..115W Lightcurve