| Primary satellite | Secondary satellite |
| Name | NOAA 11 | FENGYUN 1C DEB |
| Spacetrack catalog number | 19531 | 30251 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2025 May 13 11:59 | 2025 May 12 18:17 |
| Time of closest approach (UTC) | 2025 Apr 30 17:29:06.063 |
| Minimum distance | 6.498 km |
| Height difference | -2.950 km |
| Relative speed | 13.066 km/s |
| Angle between velocity vectors | 123° |
| Geographic position | 71.3°N, 161.2°E |
| Height | 848 km |
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