| Primary satellite | Secondary satellite |
| Name | COSMOS 1275 DEB | FENGYUN 1C DEB |
| Spacetrack catalog number | 42188 | 30062 |
| Radar cross section | small | medium |
| Epoch of two-line elements (UTC) | 2024 Dec 22 23:43 | 2024 Dec 23 01:36 |
| Time of closest approach (UTC) | 2024 Dec 29 04:18:07.131 |
| Minimum distance | 3.466 km |
| Height difference | -2.307 km |
| Relative speed | 14.814 km/s |
| Angle between velocity vectors | 178° |
| Geographic position | 42.6°N, 153.5°W |
| Height | 883 km |
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