value	quality	siderealorsynodic	author	ref	method
20.9905	3	Synodic	Sada	2018MPBu...45..122S	Lightcurve
20.9926	2	Sidereal	Durech	2019A&A...631A...2D	Model
20.9927	2	Sidereal	Durech	2023A&A...675A..24D	Model
20.9940	2	Sidereal	Durech	2018A&A...620A..91D	Model
20.9980	3	Synodic	Brincat	2017MPBu...44R...1B	Lightcurve