| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | CZ-6A DEB |
| Spacetrack catalog number | 37966 | 55224 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 19 08:48 | 2024 Dec 23 02:19 |
| Time of closest approach (UTC) | 2024 Dec 24 19:47:30.899 |
| Minimum distance | 3.491 km |
| Height difference | 3.141 km |
| Relative speed | 15.032 km/s |
| Angle between velocity vectors | 172° |
| Geographic position | 20.9°S, 169.9°W |
| Height | 637 km |
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