| Primary satellite | Secondary satellite |
| Name | deb Kosmos-1275 | FENGYUN 1C DEB |
| Spacetrack catalog number | 12703 | 31081 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 17:13 | 2024 Dec 22 07:06 |
| Time of closest approach (UTC) | 2024 Dec 25 05:14:59.782 |
| Minimum distance | 2.590 km |
| Height difference | -1.597 km |
| Relative speed | 13.029 km/s |
| Angle between velocity vectors | 122° |
| Geographic position | 80.8°N, 135.7°E |
| Height | 867 km |
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