| Primary satellite | Secondary satellite |
| Name | COSMOS 1275 DEB | FENGYUN 1C DEB |
| Spacetrack catalog number | 42188 | 30252 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 23:43 | 2024 Dec 22 21:20 |
| Time of closest approach (UTC) | 2024 Dec 25 14:30:30.437 |
| Minimum distance | 3.331 km |
| Height difference | 2.743 km |
| Relative speed | 14.889 km/s |
| Angle between velocity vectors | 178° |
| Geographic position | 27.0°S, 117.3°W |
| Height | 839 km |
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