value quality siderealorsynodic author ref method 12.2904 2 Sidereal Durech 2023A&A...675A..24D Model 12.2907 2 Sidereal Hanus 2011A&A...530A.134H Model 12.2950 3- Synodic Behrend LCDB Lightcurve 24.0000 1 Synodic Harris 1992Icar...95..115H Lightcurve