| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | CZ-6A DEB |
| Spacetrack catalog number | 35789 | 61380 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 14:34 | 2024 Dec 23 09:35 |
| Time of closest approach (UTC) | 2024 Dec 26 06:01:12.492 |
| Minimum distance | 2.279 km |
| Height difference | -1.149 km |
| Relative speed | 13.294 km/s |
| Angle between velocity vectors | 126° |
| Geographic position | 69.7°N, 153.7°E |
| Height | 772 km |
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