| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | COSMOS 1275 DEB |
| Spacetrack catalog number | 38829 | 42125 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 00:28 | 2024 Dec 19 17:42 |
| Time of closest approach (UTC) | 2024 Dec 26 21:32:32.912 |
| Minimum distance | 2.942 km |
| Height difference | 0.506 km |
| Relative speed | 3.403 km/s |
| Angle between velocity vectors | 27° |
| Geographic position | 53.2°S, 130.9°E |
| Height | 875 km |
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