value quality siderealorsynodic author ref method 22.9900 2 Synodic Behrend LCDB Lightcurve 22.9900 2 Synodic Behrend LCDB Lightcurve 46.3630 2 Sidereal Durech 2023A&A...675A..24D Model 46.3720 2 Sidereal Durech 2020A&A...643A..59D Model