| Primary satellite | Secondary satellite |
| Name | COSMOS 1275 DEB | FENGYUN 1C DEB |
| Spacetrack catalog number | 27733 | 30107 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 03:24 | 2024 Dec 22 14:54 |
| Time of closest approach (UTC) | 2024 Dec 26 07:42:41.105 |
| Minimum distance | 4.071 km |
| Height difference | 3.044 km |
| Relative speed | 14.826 km/s |
| Angle between velocity vectors | 172° |
| Geographic position | 73.6°N, 55.4°E |
| Height | 853 km |
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