| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | Cosmos 1275 Rocket |
| Spacetrack catalog number | 35123 | 13807 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 17 17:10 | 2024 Dec 22 19:01 |
| Time of closest approach (UTC) | 2024 Dec 27 17:12:54.571 |
| Minimum distance | 2.897 km |
| Height difference | 2.300 km |
| Relative speed | 8.347 km/s |
| Angle between velocity vectors | 68° |
| Geographic position | 75.5°N, 133.7°E |
| Height | 823 km |
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