value	quality	siderealorsynodic	author	ref	method
5.5100	3-	Synodic	Chang	2014ApJ...788...17C	Lightcurve
5.5180	2	Synodic	Waszczak	2015AJ....150...75W	Lightcurve
5.5181	2	Sidereal	Durech	2023A&A...675A..24D	Model