value	quality	siderealorsynodic	author	ref	method
15.8400	2-	Synodic	Behrend	LCDB	Lightcurve
16.9000	2	Synodic	DeGraff	2017MPBu...44..350D	Lightcurve
20.3690	2	Synodic	Hawkins	2008MPBu...35....1H	Lightcurve
20.4300	2	Synodic	Warner	2006MPBu...33...85W	Lightcurve
20.4650	3	Synodic	Pilcher	2016MPBu...43..222P	Lightcurve
20.4678	2	Sidereal	Durech	2020A&A...643A..59D	Model