| Primary satellite | Secondary satellite |
| Name | UWE-3 | COSMOS 2251 DEB |
| Spacetrack catalog number | 39446 | 34735 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2022 Aug 10 20:20 | 2022 Aug 10 15:41 |
| Time of closest approach (UTC) | 2022 Jul 07 14:38:25.704 |
| Minimum distance | 722.987 km |
| Height difference | -4.832 km |
| Relative speed | 12.113 km/s |
| Angle between velocity vectors | 108° |
| Geographic position | 69.3°S, 165.8°E |
| Height | 688 km |
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