| Primary satellite | Secondary satellite |
| Name | Cosmos 1606 Rocket | PEGASUS DEB |
| Spacetrack catalog number | 15370 | 29033 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Sep 21 20:07 | 2023 Sep 21 05:18 |
| Time of closest approach (UTC) | 2023 Jun 01 14:21:08.260 |
| Minimum distance | 1461.293 km |
| Height difference | 129.267 km |
| Relative speed | 14.949 km/s |
| Angle between velocity vectors | 167° |
| Geographic position | 12.2°N, 24.1°E |
| Height | 612 km |
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