| Primary satellite | Secondary satellite |
| Name | Cosmos 1606 Rocket | PSLV R/B |
| Spacetrack catalog number | 15370 | 38757 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2023 Sep 21 20:07 | 2023 Sep 21 22:48 |
| Time of closest approach (UTC) | 2023 Jun 03 03:01:21.712 |
| Minimum distance | 32.120 km |
| Height difference | -2.075 km |
| Relative speed | 15.042 km/s |
| Angle between velocity vectors | 177° |
| Geographic position | 70.3°S, 30.9°E |
| Height | 658 km |
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