| Primary satellite | Secondary satellite |
| Name | Envisat | Cosmos 1420 |
| Spacetrack catalog number | 27386 | 13648 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2024 Sep 12 12:43 | 2024 Sep 12 13:04 |
| Time of closest approach (UTC) | 2024 Aug 09 03:18:43.230 |
| Minimum distance | 4.498 km |
| Height difference | -0.601 km |
| Relative speed | 14.755 km/s |
| Angle between velocity vectors | 163° |
| Geographic position | 61.3°S, 171.1°W |
| Height | 787 km |
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