value quality siderealorsynodic author ref method 4.6500 2 Synodic Waszczak 2015AJ....150...75W Lightcurve 4.6505 2 Sidereal Durech 2023A&A...675A..24D Model 4.6505 3- Synodic Clark 2016MPBu...43....2C Lightcurve