| Primary satellite | Secondary satellite |
| Name | CSL-04 DEB | COSMOS 2251 DEB |
| Spacetrack catalog number | 26432 | 34383 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 05:04 | 2024 Dec 23 06:49 |
| Time of closest approach (UTC) | 2024 Dec 28 11:33:01.470 |
| Minimum distance | 10.639 km |
| Height difference | -5.079 km |
| Relative speed | 15.082 km/s |
| Angle between velocity vectors | 172° |
| Geographic position | 27.7°N, 177.2°W |
| Height | 625 km |
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