| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | COSMOS 1275 DEB |
| Spacetrack catalog number | 31293 | 42191 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 06:21 | 2024 Dec 20 20:44 |
| Time of closest approach (UTC) | 2024 Dec 29 03:11:48.436 |
| Minimum distance | 3.797 km |
| Height difference | 3.391 km |
| Relative speed | 14.839 km/s |
| Angle between velocity vectors | 176° |
| Geographic position | 67.8°N, 150.8°W |
| Height | 854 km |
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