value	quality	siderealorsynodic	author	ref	method
10.0000	2-	Synodic	Behrend	LCDB	Lightcurve
20.5209	3-	Synodic	Molnar	2008MPBu...35....9M	Lightcurve
20.5234	2	Sidereal	Durech	2023A&A...675A..24D	Model
20.5235	2	Sidereal	Durech	2016A&A...587A..48D	Model
20.5235	2	Sidereal	Hanus	2013A&A...559A.134H	Model