| Primary satellite | Secondary satellite |
| Name | deb Kosmos-1275 | FENGYUN 1C DEB |
| Spacetrack catalog number | 17618 | 30670 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 15:14 | 2024 Dec 22 09:08 |
| Time of closest approach (UTC) | 2024 Dec 28 06:53:23.790 |
| Minimum distance | 4.292 km |
| Height difference | -3.027 km |
| Relative speed | 14.601 km/s |
| Angle between velocity vectors | 159° |
| Geographic position | 80.9°S, 44.2°W |
| Height | 868 km |
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