value quality siderealorsynodic author ref method 3.4750 3 Synodic Warner 2017MPBu...44..289W Lightcurve 3.4785 3 Synodic Warner 2011MPBu...38..142W Lightcurve 3.4790 3 Synodic Warner LCDB Lightcurve 3.4800 3 Synodic Warner 2014MPBu...41..144W Lightcurve 3.4900 3- Synodic Warner 2009MPBu...36..172W Lightcurve