value	quality	siderealorsynodic	author	ref	method
8.7500	2	Synodic	Waszczak	2015AJ....150...75W	Lightcurve
8.7512	2	Sidereal	Durech	2016A&A...587A..48D	Model
8.7530	3	Synodic	Hess	2017MPBu...44....3H	Lightcurve