| Primary satellite | Secondary satellite |
| Name | Cosmos 1606 Rocket | SL-19 R/B |
| Spacetrack catalog number | 15370 | 36039 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2023 Sep 24 09:36 | 2023 Sep 24 12:06 |
| Time of closest approach (UTC) | 2023 Jun 07 07:27:51.751 |
| Minimum distance | 350.464 km |
| Height difference | 4.879 km |
| Relative speed | 14.477 km/s |
| Angle between velocity vectors | 149° |
| Geographic position | 78.2°S, 76.3°E |
| Height | 657 km |
|