value quality siderealorsynodic author ref method 15.0300 2 Synodic French 2013MPBu...40..198F Lightcurve 15.0760 3- Synodic Stephens 2016MPBu...43..323S Lightcurve 15.0900 2 Synodic Stephens 2014MPBu...41...95S Lightcurve 15.1290 3 Synodic Stephens 2017MPBu...44..252S Lightcurve 15.1801 2 Synodic Pal 2020ApJS..247...26P Lightcurve 15.1900 2+ Synodic Stephens 2015MPBu...42R.216S Lightcurve