| Primary satellite | Secondary satellite |
| Name | deb Kosmos-1275 | FENGYUN 1C DEB |
| Spacetrack catalog number | 12669 | 32200 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 02:50 | 2024 Dec 22 13:58 |
| Time of closest approach (UTC) | 2024 Dec 28 18:56:56.817 |
| Minimum distance | 4.907 km |
| Height difference | -4.450 km |
| Relative speed | 14.855 km/s |
| Angle between velocity vectors | 173° |
| Geographic position | 73.2°S, 178.6°E |
| Height | 859 km |
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