value quality siderealorsynodic author ref method 6.3180 3 Synodic Warner 2014MPBu...41...27W Lightcurve 6.3250 2 Synodic Ivarsen 2004MPBu...31...29I Lightcurve 6.3256 2 Sidereal Durech 2018A&A...620A..91D Model 6.3257 2 Sidereal Durech 2019A&A...631A...2D Model 6.3258 2 Sidereal Durech 2023A&A...675A..24D Model 6.3280 3- Synodic Behrend LCDB Lightcurve 6.3290 2 Synodic Waszczak 2015AJ....150...75W Lightcurve