| Primary satellite | Secondary satellite |
| Name | YUNHAI 2 5 | COSMOS 2251 DEB |
| Spacetrack catalog number | 43913 | 33915 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 04:10 | 2024 Dec 22 08:57 |
| Time of closest approach (UTC) | 2024 Dec 25 11:48:16.712 |
| Minimum distance | 4.553 km |
| Height difference | -4.297 km |
| Relative speed | 4.234 km/s |
| Angle between velocity vectors | 33° |
| Geographic position | 36.5°N, 59.5°E |
| Height | 802 km |
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