| Primary satellite | Secondary satellite |
| Name | Envisat | FENGYUN 1C DEB |
| Spacetrack catalog number | 27386 | 30036 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2025 Nov 17 20:47 | 2025 Nov 17 12:37 |
| Time of closest approach (UTC) | 2025 Oct 18 07:37:26.636 |
| Minimum distance | 68.955 km |
| Height difference | -0.356 km |
| Relative speed | 9.116 km/s |
| Angle between velocity vectors | 75° |
| Geographic position | 79.7°S, 131.7°W |
| Height | 790 km |
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