value	quality	siderealorsynodic	author	ref	method
6.1620	3	Synodic	Ferrero	2017MPBu...44..142F	Lightcurve
6.1665	2	Sidereal	Durech	2020A&A...643A..59D	Model
6.1665	2	Sidereal	Durech	2023A&A...675A..24D	Model