value	quality	siderealorsynodic	author	ref	method
8.8985	2	Sidereal	Durech	2016A&A...587A..48D	Model
8.8985	2	Sidereal	Durech	2023A&A...675A..24D	Model
8.8993	2	Synodic	Pal	2020ApJS..247...26P	Lightcurve