| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | deb Kosmos-1275 |
| Spacetrack catalog number | 30251 | 14364 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 18:37 | 2024 Dec 22 18:33 |
| Time of closest approach (UTC) | 2024 Dec 23 23:22:52.117 |
| Minimum distance | 4.637 km |
| Height difference | -1.895 km |
| Relative speed | 14.898 km/s |
| Angle between velocity vectors | 178° |
| Geographic position | 15.0°N, 83.5°W |
| Height | 812 km |
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