| Official name | SL-12 R/B(1) |
| Alternative name | Proton-K 8S812 (Proton-K/DM-2) |
| Cospar ID | 1990-116B |
| Norad ID | 21039 |
| Launch date | 1990-12-27 |
| Launch site | TTMTR |
| Launch vehicle | Proton-K Blok-DM-2 |
| RCS size | UNKNOWN |
| Decay date | 1990-12-29 |
| Shape | Cyl |
| Mass (kg) | 4185 |
| Diameter (m) | 4.15 |
| Height (m) | 6.5 |
| Span (m^2) | 6.5 |






