| Primary satellite | Secondary satellite |
| Name | deb Kosmos-1275 | FENGYUN 1C DEB |
| Spacetrack catalog number | 17618 | 30805 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 15:14 | 2024 Dec 23 02:13 |
| Time of closest approach (UTC) | 2024 Dec 29 19:31:00.886 |
| Minimum distance | 3.482 km |
| Height difference | -3.440 km |
| Relative speed | 14.446 km/s |
| Angle between velocity vectors | 155° |
| Geographic position | 81.0°N, 57.1°W |
| Height | 899 km |
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