value	quality	siderealorsynodic	author	ref	method
2.6821	3	Synodic	Pravec	LCDB	Lightcurve
2.6830	3	Synodic	Molnar	2018ApJS..234...37M	Lightcurve
2.6833	3-	Synodic	Benishek	2022MPBu...49..333B	Lightcurve