| Primary satellite | Secondary satellite |
| Name | Cosmos 1269 | COSMOS 2251 DEB |
| Spacetrack catalog number | 12442 | 34967 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 21:15 | 2024 Dec 18 20:56 |
| Time of closest approach (UTC) | 2024 Dec 25 12:26:47.219 |
| Minimum distance | 4.517 km |
| Height difference | -1.035 km |
| Relative speed | 9.098 km/s |
| Angle between velocity vectors | 75° |
| Geographic position | 69.8°S, 142.1°W |
| Height | 800 km |
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