| Primary satellite | Secondary satellite |
| Name | COSMOS 1275 DEB | FENGYUN 1C DEB |
| Spacetrack catalog number | 27733 | 30414 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 03:24 | 2024 Dec 23 08:33 |
| Time of closest approach (UTC) | 2024 Dec 25 07:14:57.678 |
| Minimum distance | 2.603 km |
| Height difference | 1.061 km |
| Relative speed | 11.992 km/s |
| Angle between velocity vectors | 108° |
| Geographic position | 80.0°S, 3.0°W |
| Height | 862 km |
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