value	quality	siderealorsynodic	author	ref	method
18.7200	3-	Synodic	Ruthroff	2012MPBu...39...39R	Lightcurve
30.1400	2+	Synodic	Behrend	LCDB	Lightcurve
30.1729	2	Sidereal	Durech	2019A&A...631A...2D	Model
30.1730	2	Sidereal	Durech	2023A&A...675A..24D	Model
30.1750	2	Sidereal	Durech	2018A&A...620A..91D	Model