| Official name | SL-4 R/B |
| Alternative name | Blok-I (Soyuz-2-1B) |
| Cospar ID | 2013-028B |
| Norad ID | 39178 |
| Launch date | 2013-06-07 |
| Launch site | PKMTR |
| Launch vehicle | Soyuz-2-1b |
| RCS size | LARGE |
| Decay date | 2013-07-28 |
| Shape | Cyl |
| Mass (kg) | 2710 |
| Height (m) | 6.7 |
| Span (m^2) | 6.7 |






