value	unc_up	unc_lo	author	ref	method
1.8587e+18	8.7534e+17	8.7534e+17	Fienga	INPOP19a	Ephem
2.0800e+18	4.3400e+18	4.3400e+18	Zielenbach	2011AJ....142..120Z	Deflec
3.1000e+18	2.5100e+18	2.5100e+18	Zielenbach	2011AJ....142..120Z	Deflec
3.6700e+18	2.5000e+18	2.5000e+18	Zielenbach	2011AJ....142..120Z	Deflec
4.7100e+18	nan	nan	Folkner	2014IPNPR.196C...1F	Ephem
5.1900e+18	3.2300e+18	3.2300e+18	Zielenbach	2011AJ....142..120Z	Deflec