| Primary satellite | Secondary satellite |
| Name | KKS-1 | COSMOS 2251 DEB |
| Spacetrack catalog number | 33499 | 34886 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2023 Feb 06 20:03 | 2023 Feb 02 01:32 |
| Time of closest approach (UTC) | 2022 Dec 01 03:39:17.228 |
| Minimum distance | 1149.226 km |
| Height difference | -9.307 km |
| Relative speed | 7.935 km/s |
| Angle between velocity vectors | 63° |
| Geographic position | 60.6°N, 70.3°W |
| Height | 646 km |
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