value	quality	siderealorsynodic	author	ref	method
4.5800	1	Synodic	Behrend	LCDB	Lightcurve
7.0000	1	Synodic	Ruthroff	2010MPBu...37...32R	Lightcurve
9.0000	2	Synodic	Ruthroff	2013MPBu...40...90R	Lightcurve