| Primary satellite | Secondary satellite |
| Name | Cosmos 1606 Rocket | YAOGAN 11 |
| Spacetrack catalog number | 15370 | 37165 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2023 Sep 21 20:07 | 2023 Sep 21 22:03 |
| Time of closest approach (UTC) | 2023 Jun 03 07:59:11.041 |
| Minimum distance | 58.657 km |
| Height difference | -2.063 km |
| Relative speed | 15.038 km/s |
| Angle between velocity vectors | 175° |
| Geographic position | 80.6°S, 62.6°E |
| Height | 659 km |
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