value	quality	siderealorsynodic	author	ref	method
6.6676	2	Sidereal	Durech	2020A&A...643A..59D	Model
6.6677	2	Sidereal	Durech	2023A&A...675A..24D	Model
6.6690	2	Synodic	Waszczak	2015AJ....150...75W	Lightcurve