value	quality	siderealorsynodic	author	ref	method
20.4300	2	Synodic	Chang	2015ApJS..219...27C	Lightcurve
20.8863	2	Sidereal	Durech	2023A&A...675A..24D	Model
20.9030	2	Synodic	Waszczak	2015AJ....150...75W	Lightcurve