| Primary satellite | Secondary satellite |
| Name | COSMOS 1275 DEB | FENGYUN 1C DEB |
| Spacetrack catalog number | 42188 | 30273 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 23:43 | 2024 Dec 22 13:47 |
| Time of closest approach (UTC) | 2024 Dec 26 18:25:09.943 |
| Minimum distance | 4.232 km |
| Height difference | -0.080 km |
| Relative speed | 14.796 km/s |
| Angle between velocity vectors | 177° |
| Geographic position | 57.7°N, 5.7°W |
| Height | 896 km |
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