value	quality	siderealorsynodic	author	ref	method
7.9300	2+	Synodic	Behrend	LCDB	Lightcurve
7.9710	3	Synodic	Polakis	2018MPBu...45..269P	Lightcurve
7.9856	2	Synodic	Pal	2020ApJS..247...26P	Lightcurve
9.5620	2	Synodic	Waszczak	2015AJ....150...75W	Lightcurve