| Primary satellite | Secondary satellite |
| Name | deb Kosmos-1275 | FENGYUN 1C DEB |
| Spacetrack catalog number | 17642 | 30344 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 21:03 | 2024 Dec 23 04:23 |
| Time of closest approach (UTC) | 2024 Dec 26 06:33:03.694 |
| Minimum distance | 3.743 km |
| Height difference | -3.587 km |
| Relative speed | 13.971 km/s |
| Angle between velocity vectors | 139° |
| Geographic position | 81.2°S, 46.4°W |
| Height | 786 km |
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