| Primary satellite | Secondary satellite |
| Name | deb Kosmos-1275 | FENGYUN 1C DEB |
| Spacetrack catalog number | 12703 | 29733 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 17:13 | 2024 Dec 22 18:09 |
| Time of closest approach (UTC) | 2024 Dec 27 22:53:46.285 |
| Minimum distance | 4.582 km |
| Height difference | -1.337 km |
| Relative speed | 14.528 km/s |
| Angle between velocity vectors | 151° |
| Geographic position | 80.5°S, 129.6°E |
| Height | 898 km |
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