| Primary satellite | Secondary satellite |
| Name | Envisat | FENGYUN 1C DEB |
| Spacetrack catalog number | 27386 | 30038 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 May 29 05:07 | 2023 May 28 23:03 |
| Time of closest approach (UTC) | 2023 Mar 30 08:49:11.226 |
| Minimum distance | 42.509 km |
| Height difference | -2.497 km |
| Relative speed | 4.195 km/s |
| Angle between velocity vectors | 33° |
| Geographic position | 81.5°S, 150.8°W |
| Height | 791 km |
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