value quality siderealorsynodic author ref method 5.5300 3- Synodic Stephens 2020MPBu...47..275S Lightcurve 5.5355 3 Synodic Warner 2012MPBu...39..158W Lightcurve 5.5355 3 Synodic Warner 2014MPBu...41...27W Lightcurve 5.5356 2 Sidereal Hanus 2018Icar..309..297H Model 5.5356 2 Sidereal Wang 2021AN....342..914W Model 5.5460 3- Synodic Warner 2010MPBu...37..161W Lightcurve 5.5480 3- Synodic Warner 2015MPBu...42..267W Lightcurve