| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | COSMOS 1275 DEB |
| Spacetrack catalog number | 29944 | 42114 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 04:22 | 2024 Dec 21 13:11 |
| Time of closest approach (UTC) | 2024 Dec 24 02:57:48.449 |
| Minimum distance | 1.760 km |
| Height difference | -0.729 km |
| Relative speed | 13.944 km/s |
| Angle between velocity vectors | 139° |
| Geographic position | 81.0°N, 11.6°E |
| Height | 783 km |
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