value quality siderealorsynodic author ref method 2.9110 3 Synodic Klinglesmith 2013MPBu...40...65K Lightcurve 2.9115 2 Sidereal Durech 2020A&A...643A..59D Model 2.9115 2 Sidereal Durech 2023A&A...675A..24D Model