| Primary satellite | Secondary satellite |
| Name | Envisat | IRIDIUM 33 DEB |
| Spacetrack catalog number | 27386 | 35618 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Mar 24 15:01 | 2023 Mar 24 05:46 |
| Time of closest approach (UTC) | 2023 Feb 06 02:05:23.363 |
| Minimum distance | 1047.150 km |
| Height difference | -2.930 km |
| Relative speed | 9.033 km/s |
| Angle between velocity vectors | 74° |
| Geographic position | 81.8°N, 108.2°E |
| Height | 779 km |
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