| Primary satellite | Secondary satellite |
| Name | UNISAT 6 | Cosmos 1606 Rocket |
| Spacetrack catalog number | 40012 | 15370 |
| Radar cross section | medium | large |
| Epoch of two-line elements (UTC) | 2023 Sep 24 04:01 | 2023 Sep 23 19:02 |
| Time of closest approach (UTC) | 2023 Jun 12 12:46:03.087 |
| Minimum distance | 1104.691 km |
| Height difference | -2.897 km |
| Relative speed | 14.274 km/s |
| Angle between velocity vectors | 141° |
| Geographic position | 72.5°N, 90.9°E |
| Height | 618 km |
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