| Primary satellite | Secondary satellite |
| Name | deb Kosmos-1275 | FENGYUN 1C DEB |
| Spacetrack catalog number | 17618 | 35122 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 15:14 | 2024 Dec 20 12:05 |
| Time of closest approach (UTC) | 2024 Dec 27 22:11:20.180 |
| Minimum distance | 4.101 km |
| Height difference | -3.816 km |
| Relative speed | 14.805 km/s |
| Angle between velocity vectors | 177° |
| Geographic position | 56.8°S, 31.0°W |
| Height | 886 km |
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