value	quality	siderealorsynodic	author	ref	method
2.7365	2	Synodic	Behrend	LCDB	Lightcurve
2.7368	3	Synodic	Warner	2011MPBu...38..209W	Lightcurve
2.7370	2	Synodic	Waszczak	2015AJ....150...75W	Lightcurve
2.7400	1	Synodic	Behrend	LCDB	Lightcurve
2.7500	2	Synodic	Erasmus	2019ApJS..242...15E	Lightcurve