value	quality	siderealorsynodic	author	ref	method
9.3738	2	Sidereal	Durech	2020A&A...643A..59D	Model
9.3750	2-	Synodic	Erasmus	2020ApJS..247...13E	Lightcurve
9.3850	2	Synodic	Waszczak	2015AJ....150...75W	Lightcurve