| Primary satellite | Secondary satellite |
| Name | NOAA 18 | FENGYUN 1C DEB |
| Spacetrack catalog number | 28654 | 33646 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 May 29 08:55 | 2023 May 11 02:37 |
| Time of closest approach (UTC) | 2023 Apr 06 18:38:32.227 |
| Minimum distance | 136.739 km |
| Height difference | -0.538 km |
| Relative speed | 12.092 km/s |
| Angle between velocity vectors | 109° |
| Geographic position | 74.2°N, 89.4°W |
| Height | 868 km |
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