value quality siderealorsynodic author ref method 5.4614 3 Synodic Warner 2018MPBu...45..380W Lightcurve 5.4620 3- Synodic Folberth 2012MPBu...39...51F Lightcurve 5.4620 3 Synodic Stephens 2020MPBu...47..125S Lightcurve 5.4636 2 Sidereal Durech 2018A&A...617A..57D Model 5.4670 3 Synodic Stephens 2018MPBu...45..299S Lightcurve