| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | COSMOS 1275 DEB |
| Spacetrack catalog number | 30382 | 39943 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 02:45 | 2024 Dec 22 02:44 |
| Time of closest approach (UTC) | 2024 Dec 24 16:06:13.688 |
| Minimum distance | 4.911 km |
| Height difference | -1.565 km |
| Relative speed | 14.766 km/s |
| Angle between velocity vectors | 175° |
| Geographic position | 69.5°N, 88.9°W |
| Height | 936 km |
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