| Primary satellite | Secondary satellite |
| Name | deb Kosmos-1275 | FENGYUN 1C DEB |
| Spacetrack catalog number | 12669 | 33719 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 02:50 | 2024 Dec 22 16:00 |
| Time of closest approach (UTC) | 2024 Dec 25 08:42:25.394 |
| Minimum distance | 3.862 km |
| Height difference | -3.797 km |
| Relative speed | 14.828 km/s |
| Angle between velocity vectors | 172° |
| Geographic position | 75.3°S, 25.7°W |
| Height | 861 km |
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