| Primary satellite | Secondary satellite |
| Name | NUDT-PHONESAT | COSMOS 1408 DEB |
| Spacetrack catalog number | 40900 | 50547 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2022 Aug 07 08:51 | 2022 Aug 07 10:06 |
| Time of closest approach (UTC) | 2022 Jul 05 13:33:22.819 |
| Minimum distance | 317.592 km |
| Height difference | 15.486 km |
| Relative speed | 6.377 km/s |
| Angle between velocity vectors | 49° |
| Geographic position | 73.4°N, 76.6°W |
| Height | 472 km |
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