value	quality	siderealorsynodic	author	ref	method
15.6019	2	Sidereal	Durech	2019A&A...631A...2D	Model
15.6020	3	Synodic	Slivan	2008Icar..195..226S	Lightcurve
15.6240	3	Synodic	Behrend	LCDB	Lightcurve