value	quality	siderealorsynodic	author	ref	method
6.7740	3-	Synodic	Hess	2017MPBu...44....3H	Lightcurve
6.7743	2	Sidereal	Durech	2023A&A...675A..24D	Model
6.7744	2	Sidereal	Durech	2020A&A...643A..59D	Model