value	quality	siderealorsynodic	author	ref	method
18.0000	1	Synodic	Wetterer	1992MPBu...19...33W	Lightcurve
19.6700	1	Synodic	Holliday	1996MPBu...23...17H	Lightcurve
19.8690	2	Synodic	Pal	2020ApJS..247...26P	Lightcurve
19.8700	3	Synodic	Koff	2006MPBu...33...31K	Lightcurve
20.0000	1	Synodic	Angeli	1999P&SS...47..699A	Lightcurve