| Primary satellite | Secondary satellite |
| Name | deb Kosmos-1275 | FENGYUN 1C DEB |
| Spacetrack catalog number | 12727 | 33737 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 03:41 | 2024 Dec 22 14:01 |
| Time of closest approach (UTC) | 2024 Dec 25 01:28:25.297 |
| Minimum distance | 3.933 km |
| Height difference | 3.531 km |
| Relative speed | 14.785 km/s |
| Angle between velocity vectors | 170° |
| Geographic position | 78.2°S, 145.2°E |
| Height | 893 km |
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