| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | ONEWEB-0541 |
| Spacetrack catalog number | 31091 | 55142 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2025 Nov 16 04:29 | 2025 Nov 17 12:50 |
| Time of closest approach (UTC) | 2025 Oct 17 05:43:13.257 |
| Minimum distance | 46.322 km |
| Height difference | -6.469 km |
| Relative speed | 14.099 km/s |
| Angle between velocity vectors | 157° |
| Geographic position | 71.6°S, 49.8°W |
| Height | 1251 km |
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