| Primary satellite | Secondary satellite |
| Name | CAS-6 | COSMOS 1408 DEB |
| Spacetrack catalog number | 44881 | 49537 |
| Radar cross section | medium | medium |
| Epoch of two-line elements (UTC) | 2023 Jun 01 03:58 | 2023 May 31 21:19 |
| Time of closest approach (UTC) | 2023 Apr 03 00:34:13.904 |
| Minimum distance | 255.852 km |
| Height difference | -16.713 km |
| Relative speed | 15.019 km/s |
| Angle between velocity vectors | 171° |
| Geographic position | 73.1°S, 0.1°W |
| Height | 639 km |
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