value quality siderealorsynodic author ref method 16.3300 3 Synodic Buchheim 2007MPBu...34...68B Lightcurve 16.4780 2 Synodic Behrend LCDB Lightcurve 16.5400 2 Synodic Behrend LCDB Lightcurve 8.3000 1 Synodic Tedesco LCDB Lightcurve