| Primary satellite | Secondary satellite |
| Name | CSL-04 Deb | COSMOS 2251 DEB |
| Spacetrack catalog number | 26272 | 37515 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 16:23 | 2024 Dec 23 02:37 |
| Time of closest approach (UTC) | 2024 Dec 24 19:59:06.438 |
| Minimum distance | 2.332 km |
| Height difference | -2.275 km |
| Relative speed | 15.106 km/s |
| Angle between velocity vectors | 172° |
| Geographic position | 15.2°N, 30.3°E |
| Height | 616 km |
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