value	quality	siderealorsynodic	author	ref	method
8.9800	3	Synodic	Zappala	1989Icar...82..354Z	Lightcurve
8.9933	3-	Synodic	Behrend	LCDB	Lightcurve
8.9950	3	Synodic	Behrend	LCDB	Lightcurve
8.9969	2	Sidereal	Hanus	2011A&A...530A.134H	Model
8.9969	2	Sidereal	Hanus	2016A&A...586A.108H	Model
8.9993	2	Synodic	Pal	2020ApJS..247...26P	Lightcurve