| Primary satellite | Secondary satellite |
| Name | Cosmos 44 | UWE-2 |
| Spacetrack catalog number | 876 | 35934 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Sep 30 23:06 | 2023 Sep 30 14:26 |
| Time of closest approach (UTC) | 2023 Jun 14 07:28:15.582 |
| Minimum distance | 349.322 km |
| Height difference | 6.122 km |
| Relative speed | 8.725 km/s |
| Angle between velocity vectors | 71° |
| Geographic position | 57.8°N, 2.0°E |
| Height | 701 km |
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