| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | COSMOS 2251 DEB |
| Spacetrack catalog number | 29812 | 36366 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 02:06 | 2024 Dec 22 05:55 |
| Time of closest approach (UTC) | 2024 Dec 24 12:41:50.658 |
| Minimum distance | 4.291 km |
| Height difference | 1.441 km |
| Relative speed | 3.740 km/s |
| Angle between velocity vectors | 29° |
| Geographic position | 32.9°S, 102.1°E |
| Height | 816 km |
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