value quality siderealorsynodic author ref method 20.2050 2 Synodic Stephens 2017MPBu...44..252S Lightcurve 20.2400 2 Synodic Stephens 2015MPBu...42R.216S Lightcurve 20.2700 2 Synodic Stephens 2015MPBu...42R.216S Lightcurve 31.7400 2 Synodic French 2012MPBu...39..183F Lightcurve 52.8000 2- Synodic Melita LCDB Lightcurve 9.6000 2 Synodic Stephens 2018MPBu...45..343S Lightcurve 9.6750 1 Synodic Stephens 2018MPBu...45..343S Lightcurve 9.6990 2- Synodic Stephens 2018MPBu...45..343S Lightcurve 9.7740 1 Synodic Stephens 2018MPBu...45..343S Lightcurve