| Primary satellite | Secondary satellite |
| Name | CZ-6A DEB | COSMOS 2251 DEB |
| Spacetrack catalog number | 56631 | 33920 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 21 12:57 | 2024 Dec 22 02:29 |
| Time of closest approach (UTC) | 2024 Dec 26 15:19:32.674 |
| Minimum distance | 2.952 km |
| Height difference | -0.226 km |
| Relative speed | 14.532 km/s |
| Angle between velocity vectors | 152° |
| Geographic position | 70.3°S, 135.7°W |
| Height | 733 km |
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