| Primary satellite | Secondary satellite |
| Name | UWE-3 | COSMOS 2538 |
| Spacetrack catalog number | 39446 | 44424 |
| Radar cross section | small | medium |
| Epoch of two-line elements (UTC) | 2024 Oct 11 19:05 | 2024 Oct 12 12:38 |
| Time of closest approach (UTC) | 2024 Sep 09 23:13:51.698 |
| Minimum distance | 1993.450 km |
| Height difference | 4.920 km |
| Relative speed | 13.036 km/s |
| Angle between velocity vectors | 119° |
| Geographic position | 81.6°S, 68.1°W |
| Height | 595 km |
|