| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | Spot 4 |
| Spacetrack catalog number | 34136 | 25260 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2025 Nov 14 19:55 | 2025 Nov 14 20:39 |
| Time of closest approach (UTC) | 2024 Oct 07 21:09:34.645 |
| Minimum distance | 1059.628 km |
| Height difference | 149.579 km |
| Relative speed | 14.743 km/s |
| Angle between velocity vectors | 155° |
| Geographic position | 54.2°N, 143.2°W |
| Height | 581 km |
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