| Official name | SL-12 DEB |
| Alternative name | Proton-K/DM-2 SOZ debris |
| Cospar ID | 1989-039BK |
| Norad ID | 29407 |
| Launch date | 1989-05-31 |
| Launch site | TTMTR |
| Launch vehicle | Proton-K Blok-DM-2 |
| RCS size | SMALL |
| Decay date | ON ORBIT |
| Period (min) | 269.86 |
| Inclination (deg) | 59.69 |
| Perigee (km) | 1647 |
| Apogee (km) | 13263 |
| Eccentricity | 0.779074446680081 |
| Mean motion (revs. per day) | 5.33610020010376 |
| Semi-Major axis (km) | 13833.135 |
| Raan (deg) | 278.2829 |
| Arg of perigee (deg) | 189.2938 |





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