value	quality	siderealorsynodic	author	ref	method
21.0360	3	Synodic	Pilcher	2017MPBu...44..294P	Lightcurve
21.0390	3	Synodic	Franco	2019MPBu...46..140F	Lightcurve
21.0390	3	Synodic	Pilcher	LCDB	Lightcurve
21.0400	3	Synodic	Pilcher	2012MPBu...39..171P	Lightcurve
21.0400	3	Synodic	Scaltriti	1981Icar...46..275S	Lightcurve