| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | CZ-2D R/B |
| Spacetrack catalog number | 37966 | 43486 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 19 08:48 | 2024 Dec 23 01:07 |
| Time of closest approach (UTC) | 2024 Dec 27 01:58:56.148 |
| Minimum distance | 2.959 km |
| Height difference | 0.687 km |
| Relative speed | 15.071 km/s |
| Angle between velocity vectors | 171° |
| Geographic position | 23.4°N, 90.3°W |
| Height | 607 km |
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