| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | COSMOS 2251 DEB |
| Spacetrack catalog number | 38157 | 35840 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 14:07 | 2024 Dec 22 14:27 |
| Time of closest approach (UTC) | 2024 Dec 24 10:28:00.877 |
| Minimum distance | 3.893 km |
| Height difference | 3.182 km |
| Relative speed | 14.072 km/s |
| Angle between velocity vectors | 137° |
| Geographic position | 73.7°N, 59.0°W |
| Height | 713 km |
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