value	quality	siderealorsynodic	author	ref	method
3.9385	2	Synodic	Pal	2020ApJS..247...26P	Lightcurve
3.9390	2	Sidereal	Durech	2023A&A...675A..24D	Model
3.9390	2	Sidereal	Durech	2019A&A...631A...2D	Model