| Primary satellite | Secondary satellite |
| Name | deb Kosmos-1275 | FENGYUN 1C DEB |
| Spacetrack catalog number | 12669 | 30396 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 02:50 | 2024 Dec 23 01:33 |
| Time of closest approach (UTC) | 2024 Dec 26 12:49:45.485 |
| Minimum distance | 2.457 km |
| Height difference | -2.442 km |
| Relative speed | 14.747 km/s |
| Angle between velocity vectors | 175° |
| Geographic position | 72.0°N, 39.7°W |
| Height | 943 km |
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