| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | deb Kosmos-1275 |
| Spacetrack catalog number | 33740 | 17615 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 18 06:46 | 2024 Dec 22 23:49 |
| Time of closest approach (UTC) | 2024 Dec 27 06:18:58.924 |
| Minimum distance | 3.033 km |
| Height difference | -0.024 km |
| Relative speed | 14.595 km/s |
| Angle between velocity vectors | 160° |
| Geographic position | 80.8°S, 61.4°W |
| Height | 882 km |
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