| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | COSMOS 2251 DEB |
| Spacetrack catalog number | 30028 | 34429 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 22:05 | 2024 Dec 22 14:00 |
| Time of closest approach (UTC) | 2024 Dec 23 16:59:32.429 |
| Minimum distance | 4.117 km |
| Height difference | -3.212 km |
| Relative speed | 15.103 km/s |
| Angle between velocity vectors | 170° |
| Geographic position | 35.8°S, 179.0°W |
| Height | 617 km |
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