| Primary satellite | Secondary satellite |
| Name | COSMOS 1275 DEB | FENGYUN 1C DEB |
| Spacetrack catalog number | 27733 | 30492 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 03:24 | 2024 Dec 22 12:32 |
| Time of closest approach (UTC) | 2024 Dec 29 15:36:53.188 |
| Minimum distance | 4.052 km |
| Height difference | -4.046 km |
| Relative speed | 3.496 km/s |
| Angle between velocity vectors | 27° |
| Geographic position | 44.8°N, 80.1°E |
| Height | 826 km |
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