value	unc_up	unc_lo	author	ref	method
1.2300e+18	2.1200e+18	2.1200e+18	Fienga	2014arXiv1405.0484F	Ephem
1.4200e+18	nan	nan	Folkner	2009IPNPR.178C...1F	Ephem
1.6024e+18	6.5047e+17	6.5047e+17	Fienga	INPOP19a	Ephem
1.9600e+18	6.4600e+17	6.4600e+17	Zielenbach	2011AJ....142..120Z	Deflec
2.0300e+18	6.2100e+17	6.2100e+17	Zielenbach	2011AJ....142..120Z	Deflec
2.0500e+18	6.2100e+17	6.2100e+17	Zielenbach	2011AJ....142..120Z	Deflec
3.8000e+18	2.3100e+18	2.3100e+18	Zielenbach	2011AJ....142..120Z	Deflec
9.9700e+17	nan	nan	Folkner	2014IPNPR.196C...1F	Ephem