| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | deb Kosmos-1275 |
| Spacetrack catalog number | 36273 | 14504 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 17 18:45 | 2024 Dec 23 08:59 |
| Time of closest approach (UTC) | 2024 Dec 28 00:37:34.021 |
| Minimum distance | 2.846 km |
| Height difference | -2.846 km |
| Relative speed | 14.830 km/s |
| Angle between velocity vectors | 177° |
| Geographic position | 8.9°S, 93.4°E |
| Height | 866 km |
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