| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | COSMOS 2251 DEB |
| Spacetrack catalog number | 33678 | 34064 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 21 13:47 | 2024 Dec 22 13:26 |
| Time of closest approach (UTC) | 2024 Dec 24 06:23:46.981 |
| Minimum distance | 4.367 km |
| Height difference | -4.365 km |
| Relative speed | 14.833 km/s |
| Angle between velocity vectors | 169° |
| Geographic position | 48.7°S, 144.5°W |
| Height | 789 km |
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