| Primary satellite | Secondary satellite |
| Name | CAS-6 | COSMOS 2251 DEB |
| Spacetrack catalog number | 44881 | 39554 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 20:51 | 2024 Dec 21 04:38 |
| Time of closest approach (UTC) | 2024 Dec 24 00:32:00.747 |
| Minimum distance | 3.893 km |
| Height difference | 3.737 km |
| Relative speed | 15.054 km/s |
| Angle between velocity vectors | 169° |
| Geographic position | 41.4°N, 35.8°W |
| Height | 610 km |
|