| 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 19 07:58 | 2026 Jan 19 08:08 |
| Time of closest approach (UTC) | 2025 Dec 16 00:05:55.987 |
| Minimum distance | 11.756 km |
| Height difference | 1.223 km |
| Relative speed | 8.451 km/s |
| Angle between velocity vectors | 69° |
| Geographic position | 79.7°S, 19.0°W |
| Height | 789 km |
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