value	quality	siderealorsynodic	author	ref	method
5.5340	2	Synodic	Pal	2020ApJS..247...26P	Lightcurve
5.5340	2	Synodic	Waszczak	2015AJ....150...75W	Lightcurve
5.5348	3	Synodic	Pravec	LCDB	Lightcurve