| Official name | SL-6 R/B(2) |
| Alternative name | Blok-ML (Molniya-M Blok-ML) |
| Cospar ID | 1968-085D |
| Norad ID | 3513 |
| Launch date | 1968-10-05 |
| Launch site | TTMTR |
| Launch vehicle | Molniya-M (Blok-ML) |
| RCS size | UNKNOWN |
| Decay date | 1975-05-07 |
| Shape | Cyl |
| Mass (kg) | 891.97 |
| Diameter (m) | 2.58 |
| Height (m) | 2.3 |






