| Primary satellite | Secondary satellite |
| Name | deb Kosmos-1275 | FENGYUN 1C DEB |
| Spacetrack catalog number | 12658 | 31948 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 01:26 | 2024 Dec 22 01:01 |
| Time of closest approach (UTC) | 2024 Dec 26 20:01:52.997 |
| Minimum distance | 4.631 km |
| Height difference | -4.563 km |
| Relative speed | 14.840 km/s |
| Angle between velocity vectors | 175° |
| Geographic position | 62.6°N, 167.4°W |
| Height | 843 km |
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