value	quality	siderealorsynodic	author	ref	method
16.0000	2	Synodic	Behrend	LCDB	Lightcurve
19.1770	3	Synodic	Dose	LCDB	Lightcurve
19.1990	2+	Synodic	Behrend	LCDB	Lightcurve
19.2000	2	Synodic	Menke	2005MPBu...32...85M	Lightcurve