value quality siderealorsynodic author ref method 4.2300 2 Synodic De Sanctis 1994P&SS...42..859D Lightcurve 4.3083 2 Sidereal Durech 2023A&A...675A..24D Model 4.3083 2 Sidereal Durech 2020A&A...643A..59D Model