value quality siderealorsynodic author ref method 14.0200 2 Synodic Warner 2015MPBu...42..167W Lightcurve 14.4500 2 Synodic Warner 2012MPBu...39...69W Lightcurve 14.4720 2+ Synodic Warner 2007MPBu...34..104W Lightcurve