value	quality	siderealorsynodic	author	ref	method
8.9631	2	Sidereal	Martikainen	2021A&A...649A..98M	Model
8.9632	2	Sidereal	Hanus	2018Icar..299...84H	Model
8.9632	2	Sidereal	Hanus	LCDB	Model
8.9960	3	Synodic	Behrend	LCDB	Lightcurve