value	quality	siderealorsynodic	author	ref	method
16.0000	1+	Synodic	Behrend	LCDB	Lightcurve
19.3600	3	Synodic	Warner	2007MPBu...34...32W	Lightcurve
19.4500	2	Synodic	Behrend	LCDB	Lightcurve