value	quality	siderealorsynodic	author	ref	method
2.6839	3	Synodic	Durkee	2020CBET.4722....1D	Lightcurve
2.6840	2	Synodic	Pravec	LCDB	Lightcurve
2.7200	2	Synodic	Warner	2017MPBu...44..213W	Lightcurve