value	quality	siderealorsynodic	author	ref	method
19.5000	3	Synodic	Warner	2007MPBu...34...72W	Lightcurve
19.7770	2	Synodic	Waszczak	2015AJ....150...75W	Lightcurve
32.3100	2	Synodic	Behrend	LCDB	Lightcurve