| Primary satellite | Secondary satellite |
| Name | Envisat | FENGYUN 1C DEB |
| Spacetrack catalog number | 27386 | 30022 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2026 Jan 19 07:58 | 2026 Jan 19 03:18 |
| Time of closest approach (UTC) | 2025 Dec 17 02:52:45.925 |
| Minimum distance | 7.529 km |
| Height difference | 4.308 km |
| Relative speed | 11.505 km/s |
| Angle between velocity vectors | 101° |
| Geographic position | 76.3°S, 150.6°W |
| Height | 789 km |
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