| Primary satellite | Secondary satellite |
| Name | deb Kosmos-1275 | FENGYUN 1C DEB |
| Spacetrack catalog number | 12669 | 30541 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 02:50 | 2024 Dec 22 14:45 |
| Time of closest approach (UTC) | 2024 Dec 28 17:16:20.396 |
| Minimum distance | 3.107 km |
| Height difference | -2.114 km |
| Relative speed | 14.859 km/s |
| Angle between velocity vectors | 176° |
| Geographic position | 66.0°S, 148.2°W |
| Height | 858 km |
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