| Primary satellite | Secondary satellite |
| Name | KKS-1 | COSMOS 2251 DEB |
| Spacetrack catalog number | 33499 | 33901 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Sep 15 04:37 | 2024 Sep 15 09:40 |
| Time of closest approach (UTC) | 2024 Aug 07 06:47:01.220 |
| Minimum distance | 1458.066 km |
| Height difference | -18.494 km |
| Relative speed | 14.420 km/s |
| Angle between velocity vectors | 146° |
| Geographic position | 81.4°S, 133.6°E |
| Height | 655 km |
|