value	quality	siderealorsynodic	author	ref	method
27.7516	2	Synodic	Pal	2020ApJS..247...26P	Lightcurve
27.7800	2	Synodic	Behrend	LCDB	Lightcurve
27.7840	3	Synodic	Behrend	LCDB	Lightcurve
27.7990	2	Synodic	Waszczak	2015AJ....150...75W	Lightcurve
27.8060	2	Synodic	McNeill	2019ApJS..245...29M	Lightcurve
28.0000	2-	Synodic	Warner	2016MPBu...43..227W	Lightcurve