value quality siderealorsynodic author ref method 13.7126 2 Synodic Pal 2020ApJS..247...26P Lightcurve 2.9050 2+ Synodic Ditteon 2011MPBu...38..214D Lightcurve 2.9050 2+ Synodic Fauerbach 2019MPBu...46..236F Lightcurve 2.9050 2+ Synodic Fauerbach 2022MPBu...49..106F Lightcurve