value quality siderealorsynodic author ref method 20.0300 0 Synodic French 2012MPBu...39..183F Lightcurve 20.2400 0 Synodic Stephens 2015MPBu...42R.216S Lightcurve 7.5141 2 Synodic Pal 2020ApJS..247...26P Lightcurve 7.5170 2+ Synodic Stephens 2016MPBu...43..323S Lightcurve 7.5200 2 Synodic Stephens 2016MPBu...43..323S Lightcurve 7.5320 2+ Synodic Stephens 2021MPBu...48..394P Lightcurve 7.5580 2+ Synodic Stephens 2018MPBu...45..301S Lightcurve