58-Ce-121

Atomic Mass: 120.9436700 ± 0.0007500 amu
Excess Mass: -52471.000 ± 699.000 keV
Binding Energy: 983725.000 ± 699.000 keV
Beta Decay Energy: B- -10893.000 ± 1064.000 keV

Possible parent nuclides:

Electron capture from Pr-121