| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | deb Kosmos-1275 |
| Spacetrack catalog number | 29938 | 12700 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 12:40 | 2024 Dec 22 20:43 |
| Time of closest approach (UTC) | 2024 Dec 24 19:05:44.270 |
| Minimum distance | 4.530 km |
| Height difference | 4.464 km |
| Relative speed | 6.701 km/s |
| Angle between velocity vectors | 54° |
| Geographic position | 72.2°N, 55.4°W |
| Height | 902 km |
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