value	quality	siderealorsynodic	author	ref	method
18.9800	2	Synodic	Ditteon	2018MPBu...45...13D	Lightcurve
19.5600	2-	Synodic	Behrend	LCDB	Lightcurve
19.5600	3	Synodic	Behrend	LCDB	Lightcurve
19.6030	3-	Synodic	Behrend	LCDB	Lightcurve
19.6800		Synodic	Marciniak	2015P&SS..118..256M	Lightcurve
19.6803	2	Sidereal	Durech	2020A&A...643A..59D	Model
19.6810	3	Synodic	Pilcher	2020MPBu...47...34P	Lightcurve
19.7740	3-	Synodic	Polakis	2020MPBu...47...94P	Lightcurve