value quality siderealorsynodic author ref method 17.4400 3- Synodic Behrend LCDB Lightcurve 17.5460 2 Synodic Behrend LCDB Lightcurve 17.5600 3- Synodic Brinsfield 2010MPBu...37...50B Lightcurve 17.5609 2 Sidereal Martikainen 2021A&A...649A..98M Model 17.5611 2 Sidereal Hanus 2016A&A...586A.108H Model 17.5700 2 Synodic Behrend LCDB Lightcurve