value	quality	siderealorsynodic	author	ref	method
6.8678	3	Synodic	Pilcher	2020MPBu...47...34P	Lightcurve
6.8678	2	Sidereal	Durech	2023A&A...675A..24D	Model
6.8679	2	Sidereal	Hanus	2011A&A...530A.134H	Model
6.8679	2	Sidereal	Martikainen	2021A&A...649A..98M	Model
6.8700	3-	Synodic	Warner	2005MPBu...32...54W	Lightcurve