value quality siderealorsynodic author ref method 8.4000 2 Synodic Warner 2004MPBu...31...19W Lightcurve 9.4100 3 Synodic Shipley 2008MPBu...35...99S Lightcurve 9.4177 3 Synodic Behrend LCDB Lightcurve 9.4180 3 Synodic Warner 2011MPBu...38...96W Lightcurve