| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | deb Kosmos-1275 |
| Spacetrack catalog number | 30231 | 12746 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 15:05 | 2024 Dec 22 14:45 |
| Time of closest approach (UTC) | 2024 Dec 27 18:38:21.610 |
| Minimum distance | 1.317 km |
| Height difference | -0.502 km |
| Relative speed | 14.919 km/s |
| Angle between velocity vectors | 178° |
| Geographic position | 1.7°S, 31.4°E |
| Height | 812 km |
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