| Primary satellite | Secondary satellite |
| Name | COSMOS 1275 DEB | FENGYUN 1C DEB |
| Spacetrack catalog number | 42188 | 30439 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 23:43 | 2024 Dec 22 17:57 |
| Time of closest approach (UTC) | 2024 Dec 26 12:49:13.745 |
| Minimum distance | 4.529 km |
| Height difference | 3.103 km |
| Relative speed | 14.839 km/s |
| Angle between velocity vectors | 178° |
| Geographic position | 17.0°N, 87.8°W |
| Height | 862 km |
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