value quality siderealorsynodic author ref method 6.4920 2 Synodic Waszczak 2015AJ....150...75W Lightcurve 6.4930 2 Synodic Waszczak 2015AJ....150...75W Lightcurve 6.4939 2 Sidereal Durech 2009A&A...493..291D Model 6.4939 2 Sidereal Durech 2023A&A...675A..24D Model 6.4939 2 Sidereal Durech LCDB Model 6.4939 2 Sidereal Hanus 2011A&A...530A.134H Model 6.4939 2 Sidereal Martikainen 2021A&A...649A..98M Model 6.4948 3 Synodic Behrend LCDB Lightcurve 6.4970 3 Synodic Barucci 1994Icar..109..267B Lightcurve 6.5500 2 Synodic Behrend LCDB Lightcurve