| Primary satellite | Secondary satellite |
| Name | CZ-6A DEB | COSMOS 2251 DEB |
| Spacetrack catalog number | 55552 | 36437 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 00:41 | 2024 Dec 22 08:23 |
| Time of closest approach (UTC) | 2024 Dec 23 19:54:23.521 |
| Minimum distance | 2.343 km |
| Height difference | 0.040 km |
| Relative speed | 4.385 km/s |
| Angle between velocity vectors | 34° |
| Geographic position | 42.9°S, 164.6°E |
| Height | 698 km |
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