| Primary satellite | Secondary satellite |
| Name | CSL-04 Deb | deb Kosmos-249 |
| Spacetrack catalog number | 26272 | 4008 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 16:23 | 2024 Dec 22 09:44 |
| Time of closest approach (UTC) | 2024 Dec 24 12:02:36.856 |
| Minimum distance | 3.694 km |
| Height difference | -1.981 km |
| Relative speed | 11.833 km/s |
| Angle between velocity vectors | 102° |
| Geographic position | 62.8°N, 135.3°E |
| Height | 640 km |
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