| Primary satellite | Secondary satellite |
| Name | Envisat | CZ-6A R/B |
| Spacetrack catalog number | 27386 | 59344 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2026 Jan 13 15:13 | 2026 Jan 13 12:37 |
| Time of closest approach (UTC) | 2025 Dec 16 00:05:57.417 |
| Minimum distance | 2.333 km |
| Height difference | 1.166 km |
| Relative speed | 8.450 km/s |
| Angle between velocity vectors | 69° |
| Geographic position | 79.6°S, 18.8°W |
| Height | 790 km |
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