value	quality	siderealorsynodic	author	ref	method
6.6450	3	Synodic	Warner	2014MPBu...41...27W	Lightcurve
6.6510	3	Synodic	Stephens	2022MPBu...49...31S	Lightcurve
6.6517	2	Sidereal	Hanus	2016A&A...586A.108H	Model
6.6517	2	Sidereal	Wang	2021AN....342..914W	Model