| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | CZ-6A DEB |
| Spacetrack catalog number | 39554 | 54333 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 21 04:38 | 2024 Dec 22 13:35 |
| Time of closest approach (UTC) | 2024 Dec 24 11:40:30.014 |
| Minimum distance | 4.491 km |
| Height difference | 4.289 km |
| Relative speed | 14.246 km/s |
| Angle between velocity vectors | 141° |
| Geographic position | 73.1°N, 100.6°E |
| Height | 623 km |
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