value	quality	siderealorsynodic	author	ref	method
20.1000	1	Synodic	Devogele	2017A&A...607A.119D	Lightcurve
20.1000	2-	Synodic	Behrend	LCDB	Lightcurve
20.1130	2	Synodic	Marciniak	LCDB	Lightcurve
20.1137	2+	Synodic	Devogele	2017A&A...607A.119D	Lightcurve
20.1160	2-	Synodic	Behrend	LCDB	Lightcurve
20.1170	3	Synodic	Harris	1989Icar...81..314H	Lightcurve
20.1240	2	Synodic	Devogele	2017A&A...607A.119D	Lightcurve
20.1260	2	Synodic	Behrend	LCDB	Lightcurve
20.1600	2-	Synodic	Devogele	2017A&A...607A.119D	Lightcurve
20.1700	2	Synodic	Devogele	2017A&A...607A.119D	Lightcurve
21.0000	2	Synodic	McFaul	1981MPBu....8...19M	Lightcurve