value	unc_up	unc_lo	author	ref	method
1.5969e+18	7.5718e+17	7.5718e+17	Fienga	INPOP19a	Ephem
1.0000e+19	5.1600e+18	5.1600e+18	Zielenbach	2011AJ....142..120Z	Deflec
1.3800e+18	3.0000e+16	3.0000e+16	Marchis	2008Icar..195..295M	BinImg
1.3800e+18	nan	nan	Folkner	2014IPNPR.196C...1F	Ephem
1.6300e+19	6.0300e+18	6.0300e+18	Zielenbach	2011AJ....142..120Z	Deflec
8.3100e+18	3.6500e+18	3.6500e+18	Zielenbach	2011AJ....142..120Z	Deflec
8.3800e+18	3.6800e+18	3.6800e+18	Zielenbach	2011AJ....142..120Z	Deflec