| Official name | SL-4 R/B |
| Alternative name | Blok-I (Soyuz-FG) |
| Cospar ID | 2007-008B |
| Norad ID | 31101 |
| Launch date | 2007-04-07 |
| Launch site | TTMTR |
| Launch vehicle | Soyuz-FG |
| RCS size | LARGE |
| Decay date | 2007-04-11 |
| Shape | Cyl |
| Mass (kg) | 2350 |
| Diameter (m) | 2.7 |
| Height (m) | 6.7 |
| Span (m^2) | 6.7 |






