value	quality	siderealorsynodic	author	ref	method
9.0260	2-	Synodic	Erasmus	2020ApJS..247...13E	Lightcurve
9.9640	2	Synodic	Waszczak	2015AJ....150...75W	Lightcurve
9.9657	2	Sidereal	Durech	2018A&A...617A..57D	Model