value	quality	siderealorsynodic	author	ref	method
68.2430	2	Synodic	McNeill	2019ApJS..245...29M	Lightcurve
68.3000	2	Sidereal	Durech	2018A&A...617A..57D	Model
68.3000	2	Sidereal	Durech	2023A&A...675A..24D	Model
68.3030	2	Sidereal	Durech	2020A&A...643A..59D	Model
68.4254	2	Synodic	Pal	2020ApJS..247...26P	Lightcurve