value quality siderealorsynodic author ref method 22.6790 3- Synodic Odden 2021MPBu...48..370O Lightcurve 22.6973 2 Sidereal Durech 2020A&A...643A..59D Model 22.7100 3 Synodic Polakis 2021MPBu...48..239P Lightcurve 25.1600 3- Synodic Behrend LCDB Lightcurve