value	quality	siderealorsynodic	author	ref	method
2.8200	3	Synodic	Warner	2005MPBu...32...29W	Lightcurve
2.8207	2	Sidereal	Hanus	2013A&A...559A.134H	Model
2.8207	2	Sidereal	Durech	2023A&A...675A..24D	Model
2.8210	3-	Synodic	Klinglesmith	LCDB	Lightcurve