value	quality	siderealorsynodic	author	ref	method
9.9560	3-	Synodic	Warner	2006MPBu...33...82W	Lightcurve
9.9580	2	Sidereal	Hanus	2016A&A...586A.108H	Model
9.9581	2	Sidereal	Martikainen	2021A&A...649A..98M	Model