value	quality	siderealorsynodic	author	ref	method
2.7933	3	Synodic	Pravec	LCDB	Lightcurve
2.7995	3	Synodic	Chiorny	2016CBET.4336....1C	Lightcurve
3.3360	2+	Synodic	Aznar	2017MPBu...44..139A	Lightcurve