value quality siderealorsynodic author ref method 12.1030 3 Synodic Fauerbach 2009MPBu...36...96F Lightcurve 17.0000 1 Synodic Binzel 1992Icar...95..222B Lightcurve 17.7600 1 Synodic Behrend LCDB Lightcurve 17.7600 2- Synodic Behrend LCDB Lightcurve 9.6850 1 Synodic Blanco 2000P&SS...48..271B Lightcurve