value quality siderealorsynodic author ref method 6.8200 2 Synodic Brinsfield 2008MPBu...35...23B Lightcurve 7.9460 3- Synodic Pietschnig LCDB Lightcurve 9.5232 2 Synodic Vander Haagen 2008MPBu...35....5V Lightcurve