| Primary satellite | Secondary satellite |
| Name | Envisat | FENGYUN 1C DEB |
| Spacetrack catalog number | 27386 | 32142 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Mar 21 20:09 | 2023 Mar 19 02:57 |
| Time of closest approach (UTC) | 2023 Feb 05 12:41:06.381 |
| Minimum distance | 1633.797 km |
| Height difference | 2.725 km |
| Relative speed | 14.678 km/s |
| Angle between velocity vectors | 159° |
| Geographic position | 76.4°N, 9.8°E |
| Height | 778 km |
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