| Primary satellite | Secondary satellite |
| Name | deb Kosmos-1275 | FENGYUN 1C DEB |
| Spacetrack catalog number | 12703 | 33612 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 17:13 | 2024 Dec 21 21:57 |
| Time of closest approach (UTC) | 2024 Dec 25 18:51:49.646 |
| Minimum distance | 4.501 km |
| Height difference | -4.140 km |
| Relative speed | 10.148 km/s |
| Angle between velocity vectors | 86° |
| Geographic position | 78.5°N, 81.6°W |
| Height | 867 km |
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