value unc_up unc_lo author ref method 1.1400e+19 8.0700e+18 8.0700e+18 Zielenbach 2011AJ....142..120Z Deflec 1.4200e+19 nan nan Folkner 2014IPNPR.196C...1F Ephem 4.3680e+18 1.6800e+18 1.6800e+18 Fienga 2020MNRAS.492..589F Ephem 4.4700e+18 5.7500e+18 5.7500e+18 Zielenbach 2011AJ....142..120Z Deflec 5.7600e+18 4.1500e+18 4.1500e+18 Zielenbach 2011AJ....142..120Z Deflec 6.7400e+18 4.1100e+18 4.1100e+18 Zielenbach 2011AJ....142..120Z Deflec 7.5600e+18 3.4800e+18 3.4800e+18 Fienga 2011CeMDA.111..363F Ephem