| Primary satellite | Secondary satellite |
| Name | KKS-1 | Cosmos 1606 Rocket |
| Spacetrack catalog number | 33499 | 15370 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2023 May 29 15:08 | 2023 May 29 10:18 |
| Time of closest approach (UTC) | 2023 Apr 04 13:39:19.572 |
| Minimum distance | 89.804 km |
| Height difference | -1.903 km |
| Relative speed | 14.930 km/s |
| Angle between velocity vectors | 164° |
| Geographic position | 81.8°N, 132.5°W |
| Height | 647 km |
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