value	quality	siderealorsynodic	author	ref	method
9.4706	2	Sidereal	Durech	2023A&A...675A..24D	Model
9.4707	2	Sidereal	Durech	2018A&A...617A..57D	Model
9.4707	2	Sidereal	Martikainen	2021A&A...649A..98M	Model
9.4750	2	Synodic	Waszczak	2015AJ....150...75W	Lightcurve
9.4770	2	Synodic	Behrend	LCDB	Lightcurve