| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | deb Kosmos-1275 |
| Spacetrack catalog number | 30382 | 12667 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 02:45 | 2024 Dec 22 17:18 |
| Time of closest approach (UTC) | 2024 Dec 24 16:09:29.388 |
| Minimum distance | 3.111 km |
| Height difference | 1.649 km |
| Relative speed | 3.893 km/s |
| Angle between velocity vectors | 31° |
| Geographic position | 59.0°N, 99.0°W |
| Height | 939 km |
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