| Primary satellite | Secondary satellite |
| Name | NOAA 18 | FENGYUN 1C DEB |
| Spacetrack catalog number | 28654 | 30691 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2025 May 15 05:05 | 2025 May 15 00:16 |
| Time of closest approach (UTC) | 2025 May 02 16:51:03.569 |
| Minimum distance | 3.126 km |
| Height difference | -1.118 km |
| Relative speed | 6.787 km/s |
| Angle between velocity vectors | 54° |
| Geographic position | 80.2°N, 28.0°W |
| Height | 868 km |
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