| Primary satellite | Secondary satellite |
| Name | Cosmos 1190 Rocket | COSMOS 2251 DEB |
| Spacetrack catalog number | 11870 | 35453 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 20:11 | 2024 Dec 19 15:23 |
| Time of closest approach (UTC) | 2024 Dec 24 16:57:15.687 |
| Minimum distance | 3.345 km |
| Height difference | -3.006 km |
| Relative speed | 11.803 km/s |
| Angle between velocity vectors | 105° |
| Geographic position | 63.4°S, 177.3°E |
| Height | 791 km |
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