| Primary satellite | Secondary satellite |
| Name | Cosmos 1331 Rocket | IRIDIUM 33 DEB |
| Spacetrack catalog number | 13028 | 34366 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Dec 10 11:29 | 2023 Dec 10 13:32 |
| Time of closest approach (UTC) | 2023 Oct 03 22:07:15.390 |
| Minimum distance | 4198.203 km |
| Height difference | -3.904 km |
| Relative speed | 10.271 km/s |
| Angle between velocity vectors | 87° |
| Geographic position | 63.2°N, 87.1°W |
| Height | 781 km |
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