| Primary satellite | Secondary satellite |
| Name | NOAA 18 | FENGYUN 1C DEB |
| Spacetrack catalog number | 28654 | 30658 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Jun 04 09:22 | 2023 Jun 03 18:33 |
| Time of closest approach (UTC) | 2023 Mar 30 13:11:58.384 |
| Minimum distance | 443.773 km |
| Height difference | 6.284 km |
| Relative speed | 5.562 km/s |
| Angle between velocity vectors | 44° |
| Geographic position | 79.9°N, 77.7°E |
| Height | 873 km |
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