| Primary satellite | Secondary satellite |
| Name | deb Kosmos-1275 | FENGYUN 1C DEB |
| Spacetrack catalog number | 12669 | 30543 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 02:50 | 2024 Dec 22 13:22 |
| Time of closest approach (UTC) | 2024 Dec 26 05:10:39.845 |
| Minimum distance | 4.500 km |
| Height difference | -4.487 km |
| Relative speed | 14.325 km/s |
| Angle between velocity vectors | 148° |
| Geographic position | 81.1°S, 74.8°W |
| Height | 867 km |
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