value	quality	siderealorsynodic	author	ref	method
6.8520	3-	Synodic	Stephens	2016MPBu...43..265S	Lightcurve
6.8610	3-	Synodic	Stephens	2015MPBu...42R.216S	Lightcurve
6.8620	3	Synodic	Stephens	2017MPBu...44..252S	Lightcurve
6.8635	2	Sidereal	Durech	2023A&A...675A..24D	Model
6.8653	2	Synodic	Pal	2020ApJS..247...26P	Lightcurve
6.8700	3-	Synodic	Stephens	2014MPBu...41...95S	Lightcurve