| Primary satellite | Secondary satellite |
| Name | deb Kosmos-1275 | FENGYUN 1C DEB |
| Spacetrack catalog number | 12703 | 31040 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 17:13 | 2024 Dec 22 11:38 |
| Time of closest approach (UTC) | 2024 Dec 26 14:27:36.808 |
| Minimum distance | 3.362 km |
| Height difference | 2.839 km |
| Relative speed | 11.126 km/s |
| Angle between velocity vectors | 98° |
| Geographic position | 79.6°S, 167.5°E |
| Height | 896 km |
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