| Primary satellite | Secondary satellite |
| Name | Cosmos 968 Rocket | IRIDIUM 33 DEB |
| Spacetrack catalog number | 10521 | 40998 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Oct 01 21:43 | 2023 Sep 04 05:11 |
| Time of closest approach (UTC) | 2023 Jun 07 03:08:52.782 |
| Minimum distance | 308.758 km |
| Height difference | -6.875 km |
| Relative speed | 11.735 km/s |
| Angle between velocity vectors | 104° |
| Geographic position | 71.4°S, 124.8°E |
| Height | 791 km |
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