| Primary satellite | Secondary satellite |
| Name | NOAA 18 | FENGYUN 1C DEB |
| Spacetrack catalog number | 28654 | 30048 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2025 Jun 19 19:32 | 2025 Jun 19 11:32 |
| Time of closest approach (UTC) | 2024 Apr 21 07:48:07.763 |
| Minimum distance | 268.414 km |
| Height difference | 224.490 km |
| Relative speed | 14.444 km/s |
| Angle between velocity vectors | 160° |
| Geographic position | 27.1°S, 131.8°W |
| Height | 861 km |
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