| Primary satellite | Secondary satellite |
| Name | Cosmos 1408 Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 13553 | 30606 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 14:49 | 2024 Dec 22 13:35 |
| Time of closest approach (UTC) | 2024 Dec 28 19:40:37.826 |
| Minimum distance | 3.516 km |
| Height difference | -1.356 km |
| Relative speed | 15.093 km/s |
| Angle between velocity vectors | 171° |
| Geographic position | 81.0°N, 78.8°W |
| Height | 635 km |
|