| Primary satellite | Secondary satellite |
| Name | CSL-04 DEB | COSMOS 2251 DEB |
| Spacetrack catalog number | 26432 | 33992 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 05:04 | 2024 Dec 23 07:28 |
| Time of closest approach (UTC) | 2024 Dec 25 14:16:12.347 |
| Minimum distance | 1.941 km |
| Height difference | -1.898 km |
| Relative speed | 14.670 km/s |
| Angle between velocity vectors | 159° |
| Geographic position | 65.8°S, 53.0°W |
| Height | 746 km |
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