| Primary satellite | Secondary satellite |
| Name | CZ-2D DEB | COSMOS 2251 DEB |
| Spacetrack catalog number | 44549 | 38067 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 14:07 | 2024 Dec 20 10:39 |
| Time of closest approach (UTC) | 2024 Dec 29 04:08:43.326 |
| Minimum distance | 0.762 km |
| Height difference | 0.331 km |
| Relative speed | 14.687 km/s |
| Angle between velocity vectors | 160° |
| Geographic position | 65.0°S, 22.9°E |
| Height | 769 km |
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