| Primary satellite | Secondary satellite |
| Name | AO-91 | Cosmos 1975 Rocket |
| Spacetrack catalog number | 43017 | 19574 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2023 Jan 28 21:42 | 2023 Jan 28 12:05 |
| Time of closest approach (UTC) | 2022 Dec 01 20:52:20.954 |
| Minimum distance | 698.726 km |
| Height difference | -24.176 km |
| Relative speed | 14.264 km/s |
| Angle between velocity vectors | 143° |
| Geographic position | 76.5°S, 14.4°W |
| Height | 673 km |
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