| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | COSMOS 1275 DEB |
| Spacetrack catalog number | 38166 | 42118 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 04:27 | 2024 Dec 22 04:33 |
| Time of closest approach (UTC) | 2024 Dec 24 13:56:09.391 |
| Minimum distance | 3.423 km |
| Height difference | -1.056 km |
| Relative speed | 14.926 km/s |
| Angle between velocity vectors | 178° |
| Geographic position | 26.6°N, 135.9°E |
| Height | 786 km |
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