| Primary satellite | Secondary satellite |
| Name | deb Kosmos-1275 | FENGYUN 1C DEB |
| Spacetrack catalog number | 12658 | 30210 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 01:26 | 2024 Dec 22 15:48 |
| Time of closest approach (UTC) | 2024 Dec 27 04:43:09.798 |
| Minimum distance | 2.056 km |
| Height difference | -1.701 km |
| Relative speed | 14.865 km/s |
| Angle between velocity vectors | 175° |
| Geographic position | 60.9°N, 144.8°W |
| Height | 845 km |
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