value	quality	siderealorsynodic	author	ref	method
8.5130	2	Synodic	Waszczak	2015AJ....150...75W	Lightcurve
8.5190	2+	Synodic	Szabo	2017A&A...599A..44S	Lightcurve
8.5200	2+	Synodic	Ryan	2017AJ....153..116R	Lightcurve
8.5710	2+	Synodic	Chang	2021PSJ.....2..191C	Lightcurve