value quality siderealorsynodic author ref method 5.5470 2 Synodic Waszczak 2015AJ....150...75W Lightcurve 5.5700 3- Synodic Chang 2014ApJ...788...17C Lightcurve 5.5740 2 Synodic Erasmus 2020ApJS..247...13E Lightcurve 5.5740 3 Synodic Slivan 2008Icar..195..226S Lightcurve 5.5747 2 Sidereal Durech 2020A&A...643A..59D Model 5.5980 2 Synodic Waszczak 2015AJ....150...75W Lightcurve