| Official name | SL-6 R/B(1) |
| Alternative name | Blok-I (Molniya-M Blok-2BL) |
| Cospar ID | 1986-091B |
| Norad ID | 17135 |
| Launch date | 1986-11-20 |
| Launch site | PKMTR |
| Launch vehicle | Molniya-M (Blok-2BL) |
| RCS size | LARGE |
| Decay date | 1987-01-27 |
| Shape | Cyl |
| Mass (kg) | 1982.16 |
| Diameter (m) | 2.66 |
| Height (m) | 7 |
| Span (m^2) | 7 |






