| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | CZ-6A DEB |
| Spacetrack catalog number | 34953 | 54951 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 09:54 | 2024 Dec 22 11:45 |
| Time of closest approach (UTC) | 2024 Dec 29 06:28:02.803 |
| Minimum distance | 3.322 km |
| Height difference | -0.177 km |
| Relative speed | 6.051 km/s |
| Angle between velocity vectors | 48° |
| Geographic position | 58.3°S, 10.7°W |
| Height | 745 km |
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