| Official name | SL-12 R/B(AUX MOTOR) |
| Alternative name | Proton-K/DM ullage motor (SOZ) |
| Cospar ID | 1974-060E |
| Norad ID | 7400 |
| Launch date | 1974-07-29 |
| Launch site | TTMTR |
| Launch vehicle | Proton-K Blok-DM |
| RCS size | MEDIUM |
| Decay date | ON ORBIT |
| Period (min) | 565.36 |
| Inclination (deg) | 44.79 |
| Perigee (km) | 1699 |
| Apogee (km) | 30842 |
| Eccentricity | 0.895577886358747 |
| Mean motion (revs. per day) | 2.54704966746852 |
| Semi-Major axis (km) | 22648.635 |
| Raan (deg) | 228.6257 |
| Arg of perigee (deg) | 296.8195 |
| Shape | Cyl |
| Mass (kg) | 55.5 |
| Diameter (m) | 0.6 |
| Height (m) | 1.1 |
| Span (m^2) | 1.1 |
