| Primary satellite | Secondary satellite |
| Name | deb Kosmos-1275 | FENGYUN 1C DEB |
| Spacetrack catalog number | 12673 | 31686 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 01:38 | 2024 Dec 22 10:10 |
| Time of closest approach (UTC) | 2024 Dec 24 20:49:41.494 |
| Minimum distance | 4.708 km |
| Height difference | -2.935 km |
| Relative speed | 14.091 km/s |
| Angle between velocity vectors | 146° |
| Geographic position | 81.8°S, 105.3°E |
| Height | 890 km |
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