| Primary satellite | Secondary satellite |
| Name | deb Kosmos-1275 | FENGYUN 1C DEB |
| Spacetrack catalog number | 17642 | 31065 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 21:03 | 2024 Dec 18 12:40 |
| Time of closest approach (UTC) | 2024 Dec 24 17:06:13.548 |
| Minimum distance | 3.976 km |
| Height difference | 3.278 km |
| Relative speed | 14.909 km/s |
| Angle between velocity vectors | 178° |
| Geographic position | 50.1°N, 22.9°E |
| Height | 798 km |
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