value	quality	siderealorsynodic	author	ref	method
4.9680	2	Synodic	Bennefeld	2009MPBu...36...45B	Lightcurve
5.4570	2	Synodic	Waszczak	2015AJ....150...75W	Lightcurve
6.1564	3	Synodic	Behrend	LCDB	Lightcurve