| Primary satellite | Secondary satellite |
| Name | deb Kosmos-1275 | FENGYUN 1C DEB |
| Spacetrack catalog number | 17618 | 30405 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 15:14 | 2024 Dec 22 22:34 |
| Time of closest approach (UTC) | 2024 Dec 24 17:41:49.912 |
| Minimum distance | 1.240 km |
| Height difference | 1.177 km |
| Relative speed | 13.144 km/s |
| Angle between velocity vectors | 125° |
| Geographic position | 80.9°S, 160.1°E |
| Height | 874 km |
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