value quality siderealorsynodic author ref method 11.3452 2 Sidereal Durech 2020A&A...643A..59D Model 11.3470 2 Synodic Waszczak 2015AJ....150...75W Lightcurve 11.3490 3- Synodic Klinglesmith 2015MPBu...42..101K Lightcurve