value	quality	siderealorsynodic	author	ref	method
6.8780	3	Synodic	Pray	2006MPBu...33....4P	Lightcurve
6.8792	2	Synodic	Galad	2010A&A...514A..55G	Lightcurve
6.8796	2	Sidereal	Durech	2020A&A...643A..59D	Model
6.8796	2	Sidereal	Durech	2023A&A...675A..24D	Model