value	quality	siderealorsynodic	author	ref	method
20.6000	2	Synodic	Mottola	2011AJ....141..170M	Lightcurve
20.6310	2	Sidereal	Durech	2018A&A...620A..91D	Model
20.6333	2	Sidereal	Durech	2023A&A...675A..24D	Model
20.6338	2	Sidereal	Durech	2019A&A...631A...2D	Model