value	quality	siderealorsynodic	author	ref	method
6.8700	2	Synodic	Behrend	LCDB	Lightcurve
6.8723	3	Synodic	Behrend	LCDB	Lightcurve
6.8747	3	Synodic	Behrend	LCDB	Lightcurve
6.8748	2	Sidereal	Martikainen	2021A&A...649A..98M	Model
6.8748	2	Sidereal	Durech	2011Icar..214..652D	Model
6.8748	2	Sidereal	Hanus	2013Icar..226.1045H	Model
6.8748	2	Sidereal	Hanus	2017A&A...601A.114H	Model
6.8750	2+	Synodic	Carbognani	2019P&SS..169...15C	Lightcurve
6.8750	3	Synodic	Lagerkvist	1981A&AS...44..401L	Lightcurve
6.8751	2	Sidereal	Torppa	2003Icar..164..346T	Model
6.8751	2	Sidereal	Erikson	1999P&SS...47..327E	Model
6.8756	2	Synodic	Pal	2020ApJS..247...26P	Lightcurve
6.8780	2	Synodic	Behrend	LCDB	Lightcurve
7.0000	2	Synodic	Yang	LCDB	Lightcurve