| Primary satellite | Secondary satellite |
| Name | Cosmos 540 Rocket | IRIDIUM 33 DEB |
| Spacetrack catalog number | 6324 | 34097 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Mar 19 16:20 | 2023 Mar 20 05:33 |
| Time of closest approach (UTC) | 2023 Feb 05 13:32:05.886 |
| Minimum distance | 30.752 km |
| Height difference | -2.420 km |
| Relative speed | 14.373 km/s |
| Angle between velocity vectors | 147° |
| Geographic position | 52.3°N, 68.2°W |
| Height | 760 km |
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