| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | COSMOS 1275 DEB |
| Spacetrack catalog number | 31805 | 42233 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 20 18:56 | 2024 Dec 16 19:20 |
| Time of closest approach (UTC) | 2024 Dec 25 15:46:08.651 |
| Minimum distance | 4.441 km |
| Height difference | 1.020 km |
| Relative speed | 2.771 km/s |
| Angle between velocity vectors | 22° |
| Geographic position | 45.4°S, 45.6°E |
| Height | 1085 km |
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