value	quality	siderealorsynodic	author	ref	method
8.5670	2-	Synodic	Clark	2011MPBu...38..187C	Lightcurve
8.5717	2	Sidereal	Durech	2018A&A...617A..57D	Model
8.8000	2	Synodic	Clark	2007MPBu...34...19C	Lightcurve