| Primary satellite | Secondary satellite |
| Name | Envisat | FENGYUN 1C DEB |
| Spacetrack catalog number | 27386 | 31296 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Mar 27 05:02 | 2023 Mar 26 11:11 |
| Time of closest approach (UTC) | 2023 Feb 01 22:02:20.620 |
| Minimum distance | 277.602 km |
| Height difference | -2.887 km |
| Relative speed | 14.069 km/s |
| Angle between velocity vectors | 140° |
| Geographic position | 60.8°N, 101.1°E |
| Height | 775 km |
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