| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | deb Kosmos-1275 |
| Spacetrack catalog number | 29870 | 18592 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 21:21 | 2024 Dec 22 21:37 |
| Time of closest approach (UTC) | 2024 Dec 23 22:41:42.507 |
| Minimum distance | 3.458 km |
| Height difference | -3.452 km |
| Relative speed | 14.892 km/s |
| Angle between velocity vectors | 177° |
| Geographic position | 56.7°N, 111.1°W |
| Height | 816 km |
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