| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | COSMOS 2251 DEB |
| Spacetrack catalog number | 36203 | 33934 |
| Radar cross section | small | medium |
| Epoch of two-line elements (UTC) | 2024 Dec 18 23:24 | 2024 Dec 23 06:17 |
| Time of closest approach (UTC) | 2024 Dec 24 04:54:32.039 |
| Minimum distance | 3.085 km |
| Height difference | -1.919 km |
| Relative speed | 14.682 km/s |
| Angle between velocity vectors | 157° |
| Geographic position | 68.3°S, 111.2°E |
| Height | 723 km |
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