value	quality	siderealorsynodic	author	ref	method
19.0218	2	Sidereal	Durech	2023A&A...675A..24D	Model
19.0260	2+	Synodic	Dose	2023MPBu...50..151D	Lightcurve
19.0810	2	Synodic	Waszczak	2015AJ....150...75W	Lightcurve
19.5375	2	Synodic	Pal	2020ApJS..247...26P	Lightcurve
22.1940	2	Synodic	Behrend	LCDB	Lightcurve