value	quality	siderealorsynodic	author	ref	method
6.4100	2+	Synodic	Behrend	LCDB	Lightcurve
6.4137	2	Sidereal	Durech	2016A&A...587A..48D	Model
6.4137	2	Sidereal	Hanus	2016A&A...586A.108H	Model
6.4137	2	Sidereal	Durech	2023A&A...675A..24D	Model
6.4140	2	Synodic	Waszczak	2015AJ....150...75W	Lightcurve
6.4140	3	Synodic	Behrend	LCDB	Lightcurve
6.4156	3	Synodic	Skiff	LCDB	Lightcurve
6.4250	2	Synodic	Waszczak	2015AJ....150...75W	Lightcurve