value quality siderealorsynodic author ref method 5.6930 2 Synodic Waszczak 2015AJ....150...75W Lightcurve 5.6930 3 Synodic Stephens 2017MPBu...44...49S Lightcurve 5.6951 3 Synodic Masiero 2009Icar..204..145M Lightcurve 5.6980 3 Synodic Stephens 2022MPBu...49..205S Lightcurve