value quality siderealorsynodic author ref method 46.2900 2 Synodic Stephens 2022MPBu...49..205S Lightcurve 6.1700 2- Synodic Warner 2010MPBu...37...24W Lightcurve 74.0000 2 Synodic Warner 2012MPBu...39...89W Lightcurve