| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | COSMOS 1275 DEB |
| Spacetrack catalog number | 29938 | 42156 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 12:40 | 2024 Dec 20 14:10 |
| Time of closest approach (UTC) | 2024 Dec 24 19:11:25.565 |
| Minimum distance | 3.526 km |
| Height difference | 3.220 km |
| Relative speed | 12.316 km/s |
| Angle between velocity vectors | 113° |
| Geographic position | 80.3°N, 144.3°W |
| Height | 897 km |
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