| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | deb Kosmos-1275 |
| Spacetrack catalog number | 30708 | 13803 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 00:24 | 2024 Dec 23 07:00 |
| Time of closest approach (UTC) | 2024 Dec 27 23:43:20.479 |
| Minimum distance | 3.616 km |
| Height difference | -1.387 km |
| Relative speed | 14.767 km/s |
| Angle between velocity vectors | 166° |
| Geographic position | 79.7°N, 128.9°W |
| Height | 860 km |
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