| Primary satellite | Secondary satellite |
| Name | deb Kosmos-1275 | FENGYUN 1C DEB |
| Spacetrack catalog number | 12673 | 29956 |
| Radar cross section | medium | medium |
| Epoch of two-line elements (UTC) | 2024 Dec 23 01:38 | 2024 Dec 22 17:02 |
| Time of closest approach (UTC) | 2024 Dec 26 03:38:06.764 |
| Minimum distance | 3.146 km |
| Height difference | 0.174 km |
| Relative speed | 14.851 km/s |
| Angle between velocity vectors | 177° |
| Geographic position | 58.0°S, 49.4°E |
| Height | 868 km |
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