value	quality	siderealorsynodic	author	ref	method
8.4300	2-	Synodic	Kalup	2021ApJS..254....7K	Lightcurve
8.4509	2	Synodic	Podlewska	2021ApJS..255....4P	Lightcurve
8.4550	2	Synodic	Waszczak	2015AJ....150...75W	Lightcurve
8.4600	2+	Synodic	French	2013MPBu...40..198F	Lightcurve