| Primary satellite | Secondary satellite |
| Name | CZ-6A DEB | COSMOS 2251 DEB |
| Spacetrack catalog number | 54506 | 39591 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 00:27 | 2024 Dec 20 07:24 |
| Time of closest approach (UTC) | 2024 Dec 29 06:49:56.022 |
| Minimum distance | 1.019 km |
| Height difference | -0.461 km |
| Relative speed | 14.502 km/s |
| Angle between velocity vectors | 152° |
| Geographic position | 70.6°S, 154.1°W |
| Height | 791 km |
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