| Primary satellite | Secondary satellite |
| Name | Uosat 5 | COSMOS 2251 DEB |
| Spacetrack catalog number | 21578 | 34726 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 16:56 | 2024 Dec 22 21:16 |
| Time of closest approach (UTC) | 2024 Dec 28 12:48:30.436 |
| Minimum distance | 3.347 km |
| Height difference | -2.259 km |
| Relative speed | 13.142 km/s |
| Angle between velocity vectors | 122° |
| Geographic position | 74.1°N, 92.8°E |
| Height | 711 km |
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