value quality siderealorsynodic author ref method 3.3200 2 Synodic Waszczak 2015AJ....150...75W Lightcurve 3.3220 2 Synodic Waszczak 2015AJ....150...75W Lightcurve 3.3220 2+ Synodic Dose 2021MPBu...48...69D Lightcurve