value	quality	siderealorsynodic	author	ref	method
7.7886	3	Synodic	Pravec	LCDB	Lightcurve
7.7900	2	Synodic	Waszczak	2015AJ....150...75W	Lightcurve
7.8790	3	Synodic	Stephens	2016MPBu...43..336S	Lightcurve