| Primary satellite | Secondary satellite |
| Name | SEDSat Delta rocket | COSMOS 2251 DEB |
| Spacetrack catalog number | 25510 | 34885 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 21:22 | 2024 Dec 22 20:12 |
| Time of closest approach (UTC) | 2024 Dec 25 12:57:40.831 |
| Minimum distance | 3.615 km |
| Height difference | 2.485 km |
| Relative speed | 8.067 km/s |
| Angle between velocity vectors | 65° |
| Geographic position | 31.0°N, 6.0°E |
| Height | 742 km |
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