| Primary satellite | Secondary satellite |
| Name | deb Kosmos-1275 | FENGYUN 1C DEB |
| Spacetrack catalog number | 12703 | 31338 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 17:13 | 2024 Dec 20 07:39 |
| Time of closest approach (UTC) | 2024 Dec 23 20:07:15.181 |
| Minimum distance | 3.605 km |
| Height difference | 0.625 km |
| Relative speed | 7.799 km/s |
| Angle between velocity vectors | 64° |
| Geographic position | 75.0°S, 161.5°W |
| Height | 897 km |
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