| Primary satellite | Secondary satellite |
| Name | Envisat | FENGYUN 1C DEB |
| Spacetrack catalog number | 27386 | 29944 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2025 May 12 20:49 | 2025 May 12 16:10 |
| Time of closest approach (UTC) | 2024 Apr 26 15:24:00.223 |
| Minimum distance | 8153.596 km |
| Height difference | -56.869 km |
| Relative speed | 14.609 km/s |
| Angle between velocity vectors | 156° |
| Geographic position | 7.3°S, 5.8°W |
| Height | 768 km |
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