value	quality	siderealorsynodic	author	ref	method
6.8830	2-	Synodic	Erasmus	2020ApJS..247...13E	Lightcurve
6.8833	2	Sidereal	Durech	2023A&A...675A..24D	Model
6.8833	2	Sidereal	Durech	2018A&A...617A..57D	Model
6.8834	2	Sidereal	Martikainen	2021A&A...649A..98M	Model
6.9100	2	Synodic	Chang	2015ApJS..219...27C	Lightcurve