| Primary satellite | Secondary satellite |
| Name | Envisat | FENGYUN 1C DEB |
| Spacetrack catalog number | 27386 | 31365 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2025 Jul 13 11:52 | 2025 Jul 12 16:37 |
| Time of closest approach (UTC) | 2025 Jun 20 17:08:00.608 |
| Minimum distance | 21.643 km |
| Height difference | 1.541 km |
| Relative speed | 13.209 km/s |
| Angle between velocity vectors | 125° |
| Geographic position | 71.7°S, 114.9°E |
| Height | 789 km |
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