| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | deb Kosmos-1275 |
| Spacetrack catalog number | 36273 | 14504 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 17 18:45 | 2024 Dec 23 08:59 |
| Time of closest approach (UTC) | 2024 Dec 25 00:17:45.558 |
| Minimum distance | 1.797 km |
| Height difference | -1.171 km |
| Relative speed | 14.761 km/s |
| Angle between velocity vectors | 173° |
| Geographic position | 63.4°N, 63.8°W |
| Height | 899 km |
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