| Primary satellite | Secondary satellite |
| Name | Envisat | FENGYUN 1C DEB |
| Spacetrack catalog number | 27386 | 30157 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2025 Jul 13 11:52 | 2025 Jul 13 05:06 |
| Time of closest approach (UTC) | 2025 Jun 22 06:39:45.471 |
| Minimum distance | 7.742 km |
| Height difference | 1.669 km |
| Relative speed | 13.773 km/s |
| Angle between velocity vectors | 134° |
| Geographic position | 67.5°N, 97.4°E |
| Height | 774 km |
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