| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | COSMOS 1275 DEB |
| Spacetrack catalog number | 31293 | 42178 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 06:21 | 2024 Dec 18 03:56 |
| Time of closest approach (UTC) | 2024 Dec 28 18:54:56.332 |
| Minimum distance | 4.502 km |
| Height difference | -4.015 km |
| Relative speed | 13.037 km/s |
| Angle between velocity vectors | 122° |
| Geographic position | 81.1°N, 115.3°W |
| Height | 823 km |
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