value	quality	siderealorsynodic	author	ref	method
131.3000	2	Synodic	Pray	2008MPBu...35...34P	Lightcurve
131.9900	2	Sidereal	Durech	2020A&A...643A..59D	Model
131.9980	2	Sidereal	Martikainen	2021A&A...649A..98M	Model