value quality siderealorsynodic author ref method 16.1000 1 Synodic Warner 2012MPBu...39..245W Lightcurve 47.4000 2 Synodic Warner 2014MPBu...41..144W Lightcurve 49.6000 2 Synodic Warner 2014MPBu...41..144W Lightcurve