| Primary satellite | Secondary satellite |
| Name | Envisat | FENGYUN 1C DEB |
| Spacetrack catalog number | 27386 | 30414 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2025 Nov 17 20:47 | 2025 Nov 17 10:21 |
| Time of closest approach (UTC) | 2025 Oct 19 16:21:59.729 |
| Minimum distance | 16.023 km |
| Height difference | 3.572 km |
| Relative speed | 14.500 km/s |
| Angle between velocity vectors | 152° |
| Geographic position | 52.2°N, 161.8°E |
| Height | 770 km |
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