| Primary satellite | Secondary satellite |
| Name | deb Kosmos-1275 | FENGYUN 1C DEB |
| Spacetrack catalog number | 17618 | 29846 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 15:14 | 2024 Dec 22 16:24 |
| Time of closest approach (UTC) | 2024 Dec 27 18:06:30.837 |
| Minimum distance | 4.331 km |
| Height difference | -3.694 km |
| Relative speed | 14.608 km/s |
| Angle between velocity vectors | 162° |
| Geographic position | 80.6°N, 29.2°W |
| Height | 896 km |
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