| Primary satellite | Secondary satellite |
| Name | COSMOS 1275 DEB | FENGYUN 1C DEB |
| Spacetrack catalog number | 42188 | 29958 |
| Radar cross section | small | medium |
| Epoch of two-line elements (UTC) | 2024 Dec 22 23:43 | 2024 Dec 23 00:32 |
| Time of closest approach (UTC) | 2024 Dec 25 13:44:10.132 |
| Minimum distance | 3.134 km |
| Height difference | -2.084 km |
| Relative speed | 14.825 km/s |
| Angle between velocity vectors | 178° |
| Geographic position | 11.5°N, 76.6°E |
| Height | 866 km |
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