| Atomic Mass | Mass Excess |
| 263.118315326106 amu | 110.21 MeV |
| Level energy (MeV) | Spin & parity | Half-life | Mode of decay | Branch ratio (%) | Decay energy (MeV) |
| Ground state | 1.0 S 0.2 | A | >70.00 | 9.39 | |
| Ground state | 1.0 S 0.2 | SF | <30.00 | 0 | |
| Ground state | 0.12 S | A | 9.39 | ||
| Ground state | 0.12 S | IT | 0 |
There is no gamma-rays or the intensities are so weak!