| Primary satellite | Secondary satellite |
| Name | Envisat | IRIDIUM 169 |
| Spacetrack catalog number | 27386 | 43926 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2023 Jun 02 13:06 | 2023 Jun 01 21:21 |
| Time of closest approach (UTC) | 2023 Apr 08 00:42:27.976 |
| Minimum distance | 325.205 km |
| Height difference | 1.606 km |
| Relative speed | 9.834 km/s |
| Angle between velocity vectors | 82° |
| Geographic position | 81.3°N, 113.9°E |
| Height | 778 km |
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