value	quality	siderealorsynodic	author	ref	method
8.8862	2	Sidereal	Durech	2016A&A...587A..48D	Model
8.8862	2	Sidereal	Hanus	2016A&A...586A.108H	Model
8.9000	3	Synodic	Monson	2004MPBu...31...97M	Lightcurve