value	quality	siderealorsynodic	author	ref	method
6.7658	2	Sidereal	Durech	2023A&A...675A..24D	Model
6.7680	2	Synodic	Waszczak	2015AJ....150...75W	Lightcurve
6.7690	2	Synodic	Waszczak	2015AJ....150...75W	Lightcurve