value quality siderealorsynodic author ref method 20.0800 2 Synodic Albers 2010MPBu...37..152A Lightcurve 3.4790 2- Synodic Ditteon 2018MPBu...45..117D Lightcurve 3.4800 2 Synodic Aznar 2018MPBu...45...92A Lightcurve 3.4800 2 Synodic Brinsfield 2010MPBu...37..146B Lightcurve 3.4801 3 Synodic Polakis 2017CBET.4387....1P Lightcurve 6.0619 2 Synodic Behrend LCDB Lightcurve