| Official name | SL-6 R/B |
| Alternative name | Blok-I (Molniya-M Blok-L) |
| Cospar ID | 1966-094C |
| Norad ID | 2510 |
| Launch date | 1966-10-22 |
| Launch site | TTMTR |
| Launch vehicle | Molniya-M (Blok-L) |
| RCS size | UNKNOWN |
| Decay date | 1966-10-23 |
| Shape | Cyl |
| Mass (kg) | 2900 |
| Diameter (m) | 2.66 |
| Height (m) | 9.4 |
| Span (m^2) | 9.4 |






