value	quality	siderealorsynodic	author	ref	method
20.8380	2	Synodic	Waszczak	2015AJ....150...75W	Lightcurve
20.9179	2	Sidereal	Durech	2018A&A...617A..57D	Model
20.9182	2	Sidereal	Durech	2023A&A...675A..24D	Model
20.9600	2	Synodic	Simpson	2013MPBu...40..146S	Lightcurve
21.4920	2	Synodic	Waszczak	2015AJ....150...75W	Lightcurve