| Primary satellite | Secondary satellite |
| Name | CZ-6A DEB | COSMOS 2251 DEB |
| Spacetrack catalog number | 56631 | 35979 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 21 12:57 | 2024 Dec 20 21:13 |
| Time of closest approach (UTC) | 2024 Dec 26 03:17:09.829 |
| Minimum distance | 3.070 km |
| Height difference | 2.572 km |
| Relative speed | 15.059 km/s |
| Angle between velocity vectors | 167° |
| Geographic position | 53.8°N, 81.8°E |
| Height | 625 km |
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