| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | deb Kosmos-1275 |
| Spacetrack catalog number | 31043 | 12668 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 13:59 | 2024 Dec 23 09:57 |
| Time of closest approach (UTC) | 2024 Dec 24 20:24:05.725 |
| Minimum distance | 4.030 km |
| Height difference | -4.026 km |
| Relative speed | 12.295 km/s |
| Angle between velocity vectors | 112° |
| Geographic position | 80.5°N, 132.4°W |
| Height | 911 km |
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