| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | deb Kosmos-1275 |
| Spacetrack catalog number | 30028 | 14406 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 22:05 | 2024 Dec 22 18:41 |
| Time of closest approach (UTC) | 2024 Dec 23 16:26:10.787 |
| Minimum distance | 4.437 km |
| Height difference | 0.244 km |
| Relative speed | 12.073 km/s |
| Angle between velocity vectors | 109° |
| Geographic position | 80.6°N, 105.4°W |
| Height | 841 km |
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