value	quality	siderealorsynodic	author	ref	method
6.9091	2	Sidereal	Hanus	2016A&A...586A.108H	Model
6.9100	3-	Synodic	Behrend	LCDB	Lightcurve
6.9130	3	Synodic	Strabla	2012MPBu...39..177S	Lightcurve