| Official name | SL-12 R/B(2) |
| Alternative name | Blok-DM-2 (Proton-K/DM-2) |
| Cospar ID | 1985-118F |
| Norad ID | 16404 |
| Launch date | 1985-12-24 |
| Launch site | TTMTR |
| Launch vehicle | Proton-K Blok-DM-2 |
| RCS size | LARGE |
| Decay date | ON ORBIT |
| Period (min) | 675.53 |
| Inclination (deg) | 66.33 |
| Perigee (km) | 19105 |
| Apogee (km) | 19145 |
| Eccentricity | 0.00104575163398693 |
| Mean motion (revs. per day) | 2.1316595858067 |
| Semi-Major axis (km) | 25503.135 |
| Raan (deg) | 349.3649 |
| Arg of perigee (deg) | 18.605 |
| Shape | Cyl |
| Mass (kg) | 2120.91 |
| Diameter (m) | 3.7 |
| Height (m) | 6.27 |
| Span (m^2) | 6.27 |
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