| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | deb Kosmos-1275 |
| Spacetrack catalog number | 31826 | 20087 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 11:12 | 2024 Dec 22 23:40 |
| Time of closest approach (UTC) | 2024 Dec 25 19:44:22.709 |
| Minimum distance | 3.092 km |
| Height difference | -0.453 km |
| Relative speed | 14.816 km/s |
| Angle between velocity vectors | 178° |
| Geographic position | 6.8°S, 34.1°W |
| Height | 894 km |
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