| Primary satellite | Secondary satellite |
| Name | Envisat | FENGYUN 1C DEB |
| Spacetrack catalog number | 27386 | 29954 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Dec 07 12:02 | 2023 Dec 06 23:27 |
| Time of closest approach (UTC) | 2022 Sep 30 21:37:18.571 |
| Minimum distance | 4620.160 km |
| Height difference | 21.021 km |
| Relative speed | 14.747 km/s |
| Angle between velocity vectors | 162° |
| Geographic position | 1.5°N, 94.9°E |
| Height | 768 km |
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