| Primary satellite | Secondary satellite |
| Name | KKS-1 | COSMOS 2251 DEB |
| Spacetrack catalog number | 33499 | 33930 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Sep 15 04:37 | 2024 Sep 15 06:06 |
| Time of closest approach (UTC) | 2024 Aug 06 07:06:29.641 |
| Minimum distance | 539.015 km |
| Height difference | -6.466 km |
| Relative speed | 14.579 km/s |
| Angle between velocity vectors | 150° |
| Geographic position | 62.7°N, 43.6°E |
| Height | 645 km |
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