| Primary satellite | Secondary satellite |
| Name | NOAA 18 | FENGYUN 1C DEB |
| Spacetrack catalog number | 28654 | 37418 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 May 29 08:55 | 2023 May 27 18:07 |
| Time of closest approach (UTC) | 2023 Apr 02 19:18:44.728 |
| Minimum distance | 166.152 km |
| Height difference | -5.692 km |
| Relative speed | 14.012 km/s |
| Angle between velocity vectors | 134° |
| Geographic position | 68.8°N, 23.3°E |
| Height | 872 km |
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