value	quality	siderealorsynodic	author	ref	method
2.2680	3	Synodic	Miner	1969Icar...10..436M	Lightcurve
2.2700	2	Synodic	Behrend	LCDB	Lightcurve
2.2726	3	Synodic	Warner	2015MPBu...42..256W	Lightcurve
2.2730	3	Synodic	Gehrels	1970AJ.....75..186G	Lightcurve
2.2736	2	Sidereal	De Angelis	1995P&SS...43..649D	Model
2.2794	2+	Synodic	Oey	2017MPBu...44..200O	Lightcurve