value quality siderealorsynodic author ref method 6.1530 2 Synodic DeGraff 1998AAS...193.9608D Lightcurve 6.1530 2 Synodic DeGraff 2017MPBu...44..350D Lightcurve 6.1530 2 Synodic DeGraff LCDB Lightcurve 6.1900 2 Synodic Ivarsen 2004MPBu...31...29I Lightcurve 6.1949 2 Sidereal Durech 2020A&A...643A..59D Model 6.1949 3 Synodic Sada 2008MPBu...35...50S Lightcurve 6.1950 3 Synodic Klinglesmith 2017MPBu...44...69K Lightcurve 6.1950 3 Synodic Sada 2016MPBu...43..154S Lightcurve 6.1961 3 Synodic Behrend LCDB Lightcurve 6.2200 3- Synodic Stecher 2008MPBu...35...76S Lightcurve 7.0800 2 Synodic Binzel 1987Icar...72..135B Lightcurve