value quality siderealorsynodic author ref method 6.2497 3 Synodic Polakis 2018MPBu...45..347P Lightcurve 6.2500 3- Synodic Bohn 2015MPBu...42...89B Lightcurve 6.2500 3 Synodic Fauerbach 2019MPBu...46....3F Lightcurve 6.2503 2 Sidereal Durech 2016A&A...587A..48D Model 6.2504 2 Sidereal Durech 2023A&A...675A..24D Model 6.2504 3 Synodic Behrend LCDB Lightcurve