value	quality	siderealorsynodic	author	ref	method
100.0000		Synodic	Behrend	LCDB	Lightcurve
271.9740	2	Synodic	Waszczak	2015AJ....150...75W	Lightcurve
280.7400	2	Sidereal	Durech	2020A&A...643A..59D	Model
280.7780	2	Sidereal	Martikainen	2021A&A...649A..98M	Model