value quality siderealorsynodic author ref method 10.1200 3- Synodic Stephens 2016MPBu...43...15S Lightcurve 10.1450 3 Synodic French 2011MPBu...38..116F Lightcurve 10.1570 3 Synodic Stephens 2014MPBu...41..210S Lightcurve 14.8000 2 Synodic Binzel 1992Icar...95..222B Lightcurve 6.4700 2- Synodic Behrend LCDB Lightcurve