value	quality	siderealorsynodic	author	ref	method
8.8250	3	Synodic	Barucci	1992AJ....103.1679B	Lightcurve
8.8423	2	Sidereal	Durech	2018A&A...617A..57D	Model
8.8423	2	Sidereal	Durech	2023A&A...675A..24D	Model