value	unc_up	unc_lo	author	ref	method
1.4300e+19	9.0300e+18	9.0300e+18	Zielenbach	2011AJ....142..120Z	Deflec
3.2408e+18	1.3537e+18	1.3537e+18	Fienga	INPOP19a	Ephem
4.1200e+17	2.1300e+18	2.1300e+18	Zielenbach	2011AJ....142..120Z	Deflec
5.5900e+18	nan	nan	Folkner	2014IPNPR.196C...1F	Ephem
6.7200e+17	2.0600e+18	2.0600e+18	Zielenbach	2011AJ....142..120Z	Deflec