| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | SEDSat Delta rocket |
| Spacetrack catalog number | 34885 | 25510 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 22 20:12 | 2024 Dec 23 00:41 |
| Time of closest approach (UTC) | 2024 Dec 25 12:57:40.827 |
| Minimum distance | 3.672 km |
| Height difference | -2.484 km |
| Relative speed | 8.067 km/s |
| Angle between velocity vectors | 65° |
| Geographic position | 31.0°N, 6.0°E |
| Height | 744 km |
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