value quality siderealorsynodic author ref method 10.0000 1 Synodic Alvarez 2004Icar..172..388A Lightcurve 10.7644 2 Sidereal Hanus 2018Icar..299...84H Model 10.7644 2 Sidereal Hanus LCDB Model 10.7644 2 Sidereal Martikainen 2021A&A...649A..98M Model 10.7653 3 Synodic Schmidt 2017MPBu...44..191S Lightcurve 10.7657 3 Synodic Behrend LCDB Lightcurve 10.7750 2+ Synodic Behrend LCDB Lightcurve