value quality siderealorsynodic author ref method 4.4240 2 Synodic Wisniewski 1997Icar..126..395W Lightcurve 5.2974 3 Synodic Warner 2009MPBu...36....7W Lightcurve 5.3008 3 Synodic Pravec LCDB Lightcurve 5.3016 3 Synodic Pravec LCDB Lightcurve 5.3170 2 Synodic Lucas 2011MPBu...38..218L Lightcurve