| Primary satellite | Secondary satellite |
| Name | deb Kosmos-1275 | FENGYUN 1C DEB |
| Spacetrack catalog number | 12703 | 31688 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 17:13 | 2024 Dec 22 03:05 |
| Time of closest approach (UTC) | 2024 Dec 25 18:52:37.266 |
| Minimum distance | 4.238 km |
| Height difference | 0.503 km |
| Relative speed | 14.520 km/s |
| Angle between velocity vectors | 155° |
| Geographic position | 80.6°N, 71.3°W |
| Height | 866 km |
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