| Primary satellite | Secondary satellite |
| Name | First-Move | COSMOS 1408 DEB |
| Spacetrack catalog number | 39439 | 50351 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2023 Jan 29 20:35 | 2023 Jan 29 12:41 |
| Time of closest approach (UTC) | 2022 Dec 04 07:37:31.237 |
| Minimum distance | 104.675 km |
| Height difference | 34.334 km |
| Relative speed | 15.021 km/s |
| Angle between velocity vectors | 176° |
| Geographic position | 78.6°N, 20.8°W |
| Height | 636 km |
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