| Primary satellite | Secondary satellite |
| Name | deb Kosmos-1275 | FENGYUN 1C DEB |
| Spacetrack catalog number | 12673 | 29959 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 01:38 | 2024 Dec 23 01:47 |
| Time of closest approach (UTC) | 2024 Dec 23 22:11:29.780 |
| Minimum distance | 3.288 km |
| Height difference | -0.464 km |
| Relative speed | 14.784 km/s |
| Angle between velocity vectors | 178° |
| Geographic position | 6.6°N, 34.3°W |
| Height | 895 km |
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