| Primary satellite | Secondary satellite |
| Name | deb Kosmos-1275 | FENGYUN 1C DEB |
| Spacetrack catalog number | 17618 | 31921 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 15:14 | 2024 Dec 22 16:18 |
| Time of closest approach (UTC) | 2024 Dec 26 02:47:53.555 |
| Minimum distance | 4.732 km |
| Height difference | -4.370 km |
| Relative speed | 6.091 km/s |
| Angle between velocity vectors | 48° |
| Geographic position | 69.5°N, 91.6°E |
| Height | 876 km |
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