| Primary satellite | Secondary satellite |
| Name | CAS-6 | Cosmos 1626 Rocket |
| Spacetrack catalog number | 44881 | 15495 |
| Radar cross section | medium | large |
| Epoch of two-line elements (UTC) | 2023 Jun 01 03:58 | 2023 Jun 01 03:55 |
| Time of closest approach (UTC) | 2023 Apr 07 01:43:17.001 |
| Minimum distance | 4.198 km |
| Height difference | 2.476 km |
| Relative speed | 15.066 km/s |
| Angle between velocity vectors | 175° |
| Geographic position | 81.1°S, 17.5°E |
| Height | 640 km |
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