value	quality	siderealorsynodic	author	ref	method
6.6260	3	Synodic	Stephens	2022MPBu...49..314S	Lightcurve
6.6300	3	Synodic	Ditteon	2019MPBu...46..127D	Lightcurve
6.6316	2	Sidereal	Durech	2020A&A...643A..59D	Model
6.6316	2	Sidereal	Durech	2023A&A...675A..24D	Model