value	quality	siderealorsynodic	author	ref	method
6.1670	2+	Synodic	Warner	2006MPBu...33...85W	Lightcurve
6.1690	2+	Synodic	Behrend	LCDB	Lightcurve
6.1708	2	Sidereal	Durech	2016A&A...587A..48D	Model
6.1708	2	Sidereal	Durech	2018Icar..304..101D	Model
6.1708	2	Sidereal	Martikainen	2021A&A...649A..98M	Model
6.1713	3	Synodic	Benishek	2016MPBu...43..339B	Lightcurve
6.1740	2	Synodic	Behrend	LCDB	Lightcurve
6.1856	2	Synodic	Pal	2020ApJS..247...26P	Lightcurve