| Primary satellite | Secondary satellite |
| Name | CSL-04 Deb | COSMOS 2251 DEB |
| Spacetrack catalog number | 26280 | 35026 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 16:37 | 2024 Dec 23 02:54 |
| Time of closest approach (UTC) | 2024 Dec 25 07:03:59.242 |
| Minimum distance | 4.655 km |
| Height difference | 3.607 km |
| Relative speed | 13.247 km/s |
| Angle between velocity vectors | 126° |
| Geographic position | 74.1°S, 24.1°W |
| Height | 794 km |
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