| Primary satellite | Secondary satellite |
| Name | deb Kosmos-1275 | FENGYUN 1C DEB |
| Spacetrack catalog number | 12669 | 29922 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 02:50 | 2024 Dec 22 16:11 |
| Time of closest approach (UTC) | 2024 Dec 24 05:23:37.248 |
| Minimum distance | 4.976 km |
| Height difference | 3.387 km |
| Relative speed | 14.900 km/s |
| Angle between velocity vectors | 176° |
| Geographic position | 55.7°S, 43.5°E |
| Height | 854 km |
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