value	quality	siderealorsynodic	author	ref	method
4.2069	2	Synodic	Pal	2020ApJS..247...26P	Lightcurve
4.2158	3	Synodic	Behrend	LCDB	Lightcurve
4.2173	3	Synodic	Warner	2011MPBu...38..107W	Lightcurve
4.2174	3	Synodic	Warner	2013MPBu...40...94W	Lightcurve
4.2174	3	Synodic	Warner	LCDB	Lightcurve