value	quality	siderealorsynodic	author	ref	method
6.6100	3	Synodic	Stephens	2021MPBu...48..246S	Lightcurve
6.6746	3	Synodic	Behrend	LCDB	Lightcurve
6.6760	2	Sidereal	Hanus	2011A&A...530A.134H	Model
6.6800	3	Synodic	Malcolm	2001MPBu...28...64M	Lightcurve
6.6830	3	Synodic	Warner	2014MPBu...41..235W	Lightcurve