value quality siderealorsynodic author ref method 4.6200 2 Synodic Behrend LCDB Lightcurve 4.6200 2+ Synodic Behrend LCDB Lightcurve 4.6200 3 Synodic Harris 1983Icar...54...59H Lightcurve 4.6201 3 Synodic Behrend LCDB Lightcurve 4.6208 2 Sidereal Hanus 2016A&A...586A.108H Model 4.6208 2 Sidereal Martikainen 2021A&A...649A..98M Model 4.6210 3 Synodic Warner 2009MPBu...36..109W Lightcurve 4.6390 2+ Synodic Behrend LCDB Lightcurve