| Primary satellite | Secondary satellite |
| Name | Envisat | FENGYUN 1C DEB |
| Spacetrack catalog number | 27386 | 31083 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 May 29 05:07 | 2023 May 29 04:41 |
| Time of closest approach (UTC) | 2023 Apr 01 21:44:25.835 |
| Minimum distance | 878.092 km |
| Height difference | -7.881 km |
| Relative speed | 12.444 km/s |
| Angle between velocity vectors | 113° |
| Geographic position | 79.6°N, 142.3°W |
| Height | 778 km |
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