value	quality	siderealorsynodic	author	ref	method
19.5077	2	Sidereal	Durech	2020A&A...643A..59D	Model
19.5080	3	Synodic	Pilcher	2017MPBu...44..112P	Lightcurve
19.5500	2+	Synodic	Stephens	2012MPBu...39...80S	Lightcurve
30.6000	2	Synodic	Behrend	LCDB	Lightcurve