value	quality	siderealorsynodic	author	ref	method
2.8920	2	Synodic	Pravec	1996Icar..124..471P	Lightcurve
2.8920	3	Synodic	Pravec	1998Icar..136..124P	Lightcurve
2.8922	2	Sidereal	Kaasalainen	2004Icar..167..178K	Model