| Official name | SL-12 R/B(AUX MOTOR) |
| Alternative name | Proton-K/DM-2 ullage motor (SOZ) |
| Cospar ID | 1983-084H |
| Norad ID | 14278 |
| Launch date | 1983-08-10 |
| Launch site | TTMTR |
| Launch vehicle | Proton-K Blok-DM-2 |
| RCS size | MEDIUM |
| Decay date | ON ORBIT |
| Period (min) | 278.91 |
| Inclination (deg) | 52.08 |
| Perigee (km) | 360 |
| Apogee (km) | 15165 |
| Eccentricity | 0.953623188405797 |
| Mean motion (revs. per day) | 5.16295579219103 |
| Semi-Major axis (km) | 14140.635 |
| Raan (deg) | 343.3637 |
| Arg of perigee (deg) | 97.951 |
| Shape | Cyl |
| Mass (kg) | 55.5 |
| Diameter (m) | 0.6 |
| Height (m) | 1.1 |
| Span (m^2) | 1.1 |
