| Primary satellite | Secondary satellite |
| Name | CAS-6 | COSMOS 2251 DEB |
| Spacetrack catalog number | 44881 | 36470 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 20:51 | 2024 Dec 22 09:54 |
| Time of closest approach (UTC) | 2024 Dec 25 05:21:54.571 |
| Minimum distance | 4.557 km |
| Height difference | 1.107 km |
| Relative speed | 15.060 km/s |
| Angle between velocity vectors | 171° |
| Geographic position | 20.6°S, 98.5°W |
| Height | 620 km |
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