| Primary satellite | Secondary satellite |
| Name | deb Kosmos-1275 | FENGYUN 1C DEB |
| Spacetrack catalog number | 12673 | 29971 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 01:38 | 2024 Dec 22 20:17 |
| Time of closest approach (UTC) | 2024 Dec 23 17:36:02.000 |
| Minimum distance | 4.897 km |
| Height difference | -4.850 km |
| Relative speed | 14.783 km/s |
| Angle between velocity vectors | 173° |
| Geographic position | 75.4°S, 172.8°W |
| Height | 886 km |
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