value	quality	siderealorsynodic	author	ref	method
19.4440	3-	Synodic	Dose	2020MPBu...47..324D	Lightcurve
19.4504	2	Sidereal	Durech	2020A&A...643A..59D	Model
19.4540	3	Synodic	Behrend	LCDB	Lightcurve
19.4900	2+	Synodic	Ferrero	2011MPBu...38..223F	Lightcurve
19.4990	2	Synodic	Pal	2020ApJS..247...26P	Lightcurve