| Primary satellite | Secondary satellite |
| Name | KAITUO 1B | COSMOS 1408 DEB |
| Spacetrack catalog number | 40912 | 51579 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2023 Sep 27 04:03 | 2023 Sep 26 16:16 |
| Time of closest approach (UTC) | 2023 Jun 08 04:04:15.011 |
| Minimum distance | 7328.126 km |
| Height difference | -81.461 km |
| Relative speed | 14.089 km/s |
| Angle between velocity vectors | 135° |
| Geographic position | 28.4°S, 135.8°W |
| Height | 531 km |
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