value	quality	siderealorsynodic	author	ref	method
247.2190	2	Synodic	Pal	2020ApJS..247...26P	Lightcurve
248.3700	2	Sidereal	Durech	2019A&A...631A...2D	Model
249.0000	3-	Synodic	Pravec	LCDB	Lightcurve
249.1000	3-	Synodic	Benishek	2018MPBu...45...82B	Lightcurve