value	quality	siderealorsynodic	author	ref	method
8.6779	2	Sidereal	Hanus	2013A&A...551A..67H	Model
8.6700	3	Synodic	Warner	2004MPBu...31...85W	Lightcurve
8.6764	3	Synodic	Behrend	LCDB	Lightcurve
8.6779	2	Sidereal	Hanus	2018Icar..309..297H	Model