value quality siderealorsynodic author ref method 5.9120 3 Synodic Klinglesmith 2013MPBu...40...16K Lightcurve 5.9130 2 Sidereal Durech 2020A&A...643A..59D Model 6.0940 2+ Synodic Clark 2021MPBu...48..213C Lightcurve