value	quality	siderealorsynodic	author	ref	method
6.9210	2	Synodic	Waszczak	2015AJ....150...75W	Lightcurve
6.9214	3	Synodic	Galad	2010MPBu...37....9G	Lightcurve
6.9218	2	Sidereal	Durech	2023A&A...675A..24D	Model