| Primary satellite | Secondary satellite |
| Name | Envisat | Sedsat-1 |
| Spacetrack catalog number | 27386 | 25509 |
| Radar cross section | large | medium |
| Epoch of two-line elements (UTC) | 2025 Nov 17 20:47 | 2025 Nov 17 19:30 |
| Time of closest approach (UTC) | 2025 Oct 17 11:11:41.998 |
| Minimum distance | 20.845 km |
| Height difference | 5.030 km |
| Relative speed | 13.531 km/s |
| Angle between velocity vectors | 130° |
| Geographic position | 2.9°N, 131.0°W |
| Height | 764 km |
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