value	quality	siderealorsynodic	author	ref	method
6.1957	2	Sidereal	Martikainen	2021A&A...649A..98M	Model
6.1957	3	Sidereal	Durech	2018Icar..304..101D	Model
8.0000	1+	Synodic	Behrend	LCDB	Lightcurve