| Primary satellite | Secondary satellite |
| Name | Envisat | CZ-6A DEB |
| Spacetrack catalog number | 27386 | 54321 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2026 Jan 13 15:13 | 2026 Jan 13 13:18 |
| Time of closest approach (UTC) | 2025 Dec 15 12:24:54.737 |
| Minimum distance | 106.387 km |
| Height difference | -1.666 km |
| Relative speed | 9.601 km/s |
| Angle between velocity vectors | 80° |
| Geographic position | 79.3°S, 158.9°E |
| Height | 790 km |
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