value	quality	siderealorsynodic	author	ref	method
6.5600	2	Synodic	Chang	2019ApJS..241....6C	Lightcurve
6.5613	2	Sidereal	Durech	2018A&A...617A..57D	Model
6.5613	2	Sidereal	Durech	2023A&A...675A..24D	Model