| Primary satellite | Secondary satellite |
| Name | KKS-1 | COSMOS 1408 DEB |
| Spacetrack catalog number | 33499 | 49628 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2023 Apr 01 20:11 | 2023 Apr 01 21:01 |
| Time of closest approach (UTC) | 2023 Jan 30 13:37:49.562 |
| Minimum distance | 182.264 km |
| Height difference | 109.143 km |
| Relative speed | 14.908 km/s |
| Angle between velocity vectors | 179° |
| Geographic position | 81.8°S, 29.9°E |
| Height | 662 km |
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