value	quality	siderealorsynodic	author	ref	method
19.4701	2	Synodic	Pal	2020ApJS..247...26P	Lightcurve
19.4854	2	Sidereal	Durech	2019A&A...631A...2D	Model
19.4855	2	Sidereal	Durech	2023A&A...675A..24D	Model
21.8100	2	Synodic	Yankov	2009MPBu...36....3Y	Lightcurve