value	unc_up	unc_lo	author	ref	method
3.5600e+18	nan	nan	Folkner	2014IPNPR.196C...1F	Ephem
3.7612e+18	1.5686e+18	1.5686e+18	Fienga	INPOP19a	Ephem
4.8600e+18	4.1600e+18	4.1600e+18	Zielenbach	2011AJ....142..120Z	Deflec
5.4400e+18	3.2700e+18	3.2700e+18	Zielenbach	2011AJ....142..120Z	Deflec
6.2000e+18	3.2400e+18	3.2400e+18	Zielenbach	2011AJ....142..120Z	Deflec
8.6300e+17	7.2600e+18	7.2600e+18	Zielenbach	2011AJ....142..120Z	Deflec