| Primary satellite | Secondary satellite |
| Name | Cosmos 1408 Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 13553 | 31877 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 14:49 | 2024 Dec 20 21:23 |
| Time of closest approach (UTC) | 2024 Dec 28 21:20:50.487 |
| Minimum distance | 4.816 km |
| Height difference | -4.727 km |
| Relative speed | 15.058 km/s |
| Angle between velocity vectors | 174° |
| Geographic position | 71.4°N, 71.8°W |
| Height | 636 km |
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