value quality siderealorsynodic author ref method 11.1980 2 Synodic Clark 2007MPBu...34...19C Lightcurve 14.3280 3- Synodic Clark 2015MPBu...42...15C Lightcurve 14.6194 2 Sidereal Durech 2020A&A...643A..59D Model 14.6197 2 Sidereal Durech 2023A&A...675A..24D Model