| Primary satellite | Secondary satellite |
| Name | Envisat | Cosmos 1624 Rocket |
| Spacetrack catalog number | 27386 | 15483 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2025 Jul 13 11:52 | 2025 Jul 13 11:56 |
| Time of closest approach (UTC) | 2025 Jun 22 17:32:34.592 |
| Minimum distance | 4.778 km |
| Height difference | 3.593 km |
| Relative speed | 12.306 km/s |
| Angle between velocity vectors | 111° |
| Geographic position | 73.9°S, 104.6°E |
| Height | 789 km |
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