| Primary satellite | Secondary satellite |
| Name | deb Kosmos-1275 | FENGYUN 1C DEB |
| Spacetrack catalog number | 17618 | 30749 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 15:14 | 2024 Dec 23 01:16 |
| Time of closest approach (UTC) | 2024 Dec 25 15:12:42.891 |
| Minimum distance | 4.367 km |
| Height difference | -4.365 km |
| Relative speed | 14.788 km/s |
| Angle between velocity vectors | 178° |
| Geographic position | 37.5°N, 61.2°E |
| Height | 904 km |
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