value	quality	siderealorsynodic	author	ref	method
9.2400	2	Synodic	De Sanctis	1994P&SS...42..859D	Lightcurve
9.2500	3-	Synodic	Carbo	2009MPBu...36..152C	Lightcurve
9.2548	2	Sidereal	Durech	2019A&A...631A...2D	Model
9.2552	2	Sidereal	Durech	2023A&A...675A..24D	Model