| Primary satellite | Secondary satellite |
| Name | deb Kosmos-1275 | FENGYUN 1C DEB |
| Spacetrack catalog number | 12669 | 31181 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 02:50 | 2024 Dec 22 01:17 |
| Time of closest approach (UTC) | 2024 Dec 26 18:51:30.237 |
| Minimum distance | 4.922 km |
| Height difference | 4.890 km |
| Relative speed | 14.802 km/s |
| Angle between velocity vectors | 170° |
| Geographic position | 77.3°S, 60.1°E |
| Height | 869 km |
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