value	quality	siderealorsynodic	author	ref	method
9.7520	2	Synodic	Waszczak	2015AJ....150...75W	Lightcurve
9.7637	2	Sidereal	Durech	2018A&A...617A..57D	Model
9.7637	2	Sidereal	Durech	2023A&A...675A..24D	Model
9.7700	2	Synodic	LeCrone	2006MPBu...33...66L	Lightcurve