value quality siderealorsynodic author ref method 13.6200 2 Synodic Warner 2007MPBu...34...32W Lightcurve 13.8400 2 Synodic Warner 2010MPBu...37..112W Lightcurve 6.4800 2- Synodic Warner 2015MPBu...42..108W Lightcurve 6.8200 2 Synodic Warner 2015MPBu...42..108W Lightcurve 6.8200 2 Synodic Warner 2015MPBu...42..108W Lightcurve