value quality siderealorsynodic author ref method 10.5900 3 Synodic Warner 2005MPBu...32...17W Lightcurve 10.6000 3 Synodic Warner 2004MPBu...31...36W Lightcurve 11.9050 0 Synodic Ditteon 2004MPBu...31...54D Lightcurve