value quality siderealorsynodic author ref method 11.8800 2+ Synodic Behrend LCDB Lightcurve 11.9432 3 Synodic Oey 2008MPBu...35...47O Lightcurve 11.9439 2 Sidereal Hanus 2018Icar..299...84H Model 11.9439 2 Sidereal Hanus LCDB Model 11.9439 2 Sidereal Durech 2023A&A...675A..24D Model 11.9500 2 Synodic Ivarsen 2004MPBu...31...29I Lightcurve 9.0000 2 Synodic Alvarez 2004Icar..172..388A Lightcurve