| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | CZ-6A DEB |
| Spacetrack catalog number | 35031 | 61306 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 21 05:55 | 2024 Dec 21 20:58 |
| Time of closest approach (UTC) | 2024 Dec 28 10:26:06.612 |
| Minimum distance | 2.510 km |
| Height difference | -2.139 km |
| Relative speed | 13.700 km/s |
| Angle between velocity vectors | 133° |
| Geographic position | 66.0°N, 68.9°E |
| Height | 781 km |
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