value quality siderealorsynodic author ref method 4.2575 2 Sidereal Durech 2020A&A...643A..59D Model 4.2575 2 Sidereal Wang 2021AN....342..914W Model 4.2580 3 Synodic Stephens 2016MPBu...43..158S Lightcurve 4.3260 3- Synodic Clark 2016MPBu...43..132C Lightcurve