| Primary satellite | Secondary satellite |
| Name | CP3 | COSMOS 2251 DEB |
| Spacetrack catalog number | 31129 | 35435 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Sep 06 20:27 | 2024 Sep 06 18:54 |
| Time of closest approach (UTC) | 2024 Aug 06 02:36:26.986 |
| Minimum distance | 68.376 km |
| Height difference | 6.562 km |
| Relative speed | 14.894 km/s |
| Angle between velocity vectors | 166° |
| Geographic position | 56.8°N, 12.1°E |
| Height | 708 km |
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