value quality siderealorsynodic author ref method 5.0580 2 Synodic Waszczak 2015AJ....150...75W Lightcurve 5.0620 2 Synodic Waszczak 2015AJ....150...75W Lightcurve 5.0633 2+ Synodic Vinson 2014MPBu...41..169V Lightcurve