| Primary satellite | Secondary satellite |
| Name | Uosat 5 | COSMOS 2251 DEB |
| Spacetrack catalog number | 21578 | 34014 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 16:56 | 2024 Dec 22 16:34 |
| Time of closest approach (UTC) | 2024 Dec 24 07:26:09.271 |
| Minimum distance | 4.847 km |
| Height difference | -4.781 km |
| Relative speed | 14.739 km/s |
| Angle between velocity vectors | 160° |
| Geographic position | 64.1°S, 6.4°E |
| Height | 728 km |
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