| Official name | COSMOS 1668 DEB |
| Alternative name | Cosmos-1668 engine |
| Cospar ID | 1985-060D |
| Norad ID | 15921 |
| Launch date | 1985-07-15 |
| Launch site | TTMTR |
| Launch vehicle | Soyuz-U |
| RCS size | LARGE |
| Decay date | 1985-09-03 |
| Shape | Cone |
| Mass (kg) | 594.65 |
| Height (m) | 1 |
| Width (m) | 0.4 |
| Depth (m) | 1 |
| Span (m^2) | 1 |






