| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | deb Kosmos-1275 |
| Spacetrack catalog number | 30599 | 13816 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 12:23 | 2024 Dec 22 20:19 |
| Time of closest approach (UTC) | 2024 Dec 28 04:22:54.558 |
| Minimum distance | 4.369 km |
| Height difference | 4.303 km |
| Relative speed | 10.919 km/s |
| Angle between velocity vectors | 98° |
| Geographic position | 79.6°N, 90.6°E |
| Height | 1069 km |
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