| Primary satellite | Secondary satellite |
| Name | UWE-1 | COSMOS 2251 DEB |
| Spacetrack catalog number | 28892 | 33900 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 19:41 | 2024 Dec 23 07:27 |
| Time of closest approach (UTC) | 2024 Dec 24 10:16:00.366 |
| Minimum distance | 0.811 km |
| Height difference | -0.689 km |
| Relative speed | 14.995 km/s |
| Angle between velocity vectors | 171° |
| Geographic position | 29.6°S, 106.3°W |
| Height | 683 km |
|