| Primary satellite | Secondary satellite |
| Name | NOAA 18 | FENGYUN 1C DEB |
| Spacetrack catalog number | 28654 | 31274 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Jun 04 09:22 | 2023 Jun 04 00:52 |
| Time of closest approach (UTC) | 2023 Apr 03 02:57:42.402 |
| Minimum distance | 109.898 km |
| Height difference | -3.646 km |
| Relative speed | 13.501 km/s |
| Angle between velocity vectors | 130° |
| Geographic position | 69.4°S, 87.7°E |
| Height | 865 km |
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