| Primary satellite | Secondary satellite |
| Name | Envisat | IRIDIUM 33 DEB |
| Spacetrack catalog number | 27386 | 36080 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Sep 28 22:23 | 2023 Sep 22 13:11 |
| Time of closest approach (UTC) | 2023 Jun 06 08:44:42.430 |
| Minimum distance | 2065.603 km |
| Height difference | 3.899 km |
| Relative speed | 10.044 km/s |
| Angle between velocity vectors | 84° |
| Geographic position | 72.2°N, 75.4°E |
| Height | 775 km |
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