| Primary satellite | Secondary satellite |
| Name | CZ-6A DEB | COSMOS 2251 DEB |
| Spacetrack catalog number | 56631 | 36046 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 21 12:57 | 2024 Dec 16 23:59 |
| Time of closest approach (UTC) | 2024 Dec 28 00:50:57.134 |
| Minimum distance | 3.861 km |
| Height difference | -3.858 km |
| Relative speed | 14.987 km/s |
| Angle between velocity vectors | 166° |
| Geographic position | 57.0°N, 87.0°W |
| Height | 659 km |
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