value	quality	siderealorsynodic	author	ref	method
2.5643	3	Synodic	Pravec	LCDB	Lightcurve
2.5647	3	Synodic	Behrend	LCDB	Lightcurve
2.5920	2+	Synodic	Mas	2018MPBu...45...76M	Lightcurve
5.6900	2	Synodic	Ruthroff	2017MPBu...44..288R	Lightcurve