value quality siderealorsynodic author ref method 6.3100 2 Synodic Gil 1988MPBu...15...21G Lightcurve 8.6000 2 Synodic Sada 2000MPBu...27...25S Lightcurve 8.6160 2 Synodic Behrend LCDB Lightcurve 8.6180 2+ Synodic Behrend LCDB Lightcurve 8.6180 3 Synodic Michalowski 2006A&A...459..663M Lightcurve 8.6219 2 Synodic Pal 2020ApJS..247...26P Lightcurve 8.6400 3 Synodic Stephens 2005MPBu...32...38S Lightcurve 9.9060 2 Synodic Gil 1995RMxAA..31...19G Lightcurve 9.9090 1 Synodic Denchev 2000P&SS...48..987D Lightcurve