| Primary satellite | Secondary satellite |
| Name | CSL-04 Deb | COSMOS 2251 DEB |
| Spacetrack catalog number | 26266 | 34004 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 03:22 | 2024 Dec 22 20:56 |
| Time of closest approach (UTC) | 2024 Dec 28 18:27:09.485 |
| Minimum distance | 2.263 km |
| Height difference | -1.047 km |
| Relative speed | 14.860 km/s |
| Angle between velocity vectors | 167° |
| Geographic position | 52.0°N, 107.7°W |
| Height | 744 km |
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