| Official name | COSMOS 1603 DEB |
| Alternative name | Proton-K/DM-2 SOZ debris |
| Cospar ID | 1984-106AE |
| Norad ID | 43312 |
| Launch date | 1984-09-28 |
| Launch site | TTMTR |
| Launch vehicle | Proton-K Blok-DM-2 |
| RCS size | SMALL |
| Decay date | ON ORBIT |
| Period (min) | 101.35 |
| Inclination (deg) | 71.02 |
| Perigee (km) | 811 |
| Apogee (km) | 834 |
| Eccentricity | 0.0139817629179331 |
| Mean motion (revs. per day) | 14.2081894425259 |
| Semi-Major axis (km) | 7200.635 |
| Raan (deg) | 120.0407 |
| Arg of perigee (deg) | 104.3295 |






