| Official name | SL-12 R/B(AUX MOTOR) |
| Alternative name | Proton-K/DM-2 ullage motor (SOZ) |
| Cospar ID | 1989-048E |
| Norad ID | 20093 |
| Launch date | 1989-06-21 |
| Launch site | TTMTR |
| Launch vehicle | Proton-K Blok-DM-2 |
| RCS size | LARGE |
| Decay date | 1990-03-30 |
| Shape | Cyl |
| Mass (kg) | 55.5 |
| Diameter (m) | 0.6 |
| Height (m) | 1.1 |
| Span (m^2) | 1.1 |





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