| Primary satellite | Secondary satellite |
| Name | UWE-3 | COSMOS 2251 DEB |
| Spacetrack catalog number | 39446 | 34424 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2022 Aug 12 09:40 | 2022 Aug 12 14:55 |
| Time of closest approach (UTC) | 2022 Jul 06 11:01:01.255 |
| Minimum distance | 4.324 km |
| Height difference | -1.583 km |
| Relative speed | 14.761 km/s |
| Angle between velocity vectors | 160° |
| Geographic position | 62.8°S, 134.1°W |
| Height | 692 km |
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