value quality siderealorsynodic author ref method 4.8420 2- Synodic Bonzo 2010MPBu...37...93B Lightcurve 6.7000 1+ Synodic Behrend LCDB Lightcurve 6.9050 3- Synodic Brinsfield 2010MPBu...37...50B Lightcurve